"pilot fish" meaning in English

{
  "etymology_text": "So called from its having been supposed to guide sharks to their prey.",
  "forms": [
    {
      "form": "pilot fish",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "pilot fishes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "2": "+"
      },
      "expansion": "pilot fish (plural pilot fish or pilot fishes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Asturian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Bulgarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Catalan translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Latin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Romanian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Yiddish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Jackfish",
          "orig": "en:Jackfish",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A marine fish, Naucrates ductor, that often follows large vessels and sharks."
      ],
      "id": "en-pilot_fish-en-noun-HjpOIsyK",
      "links": [
        [
          "marine",
          "marine"
        ],
        [
          "shark",
          "shark"
        ]
      ],
      "translations": [
        {
          "code": "ast",
          "lang": "Asturian",
          "lang_code": "ast",
          "sense": "marine fish",
          "word": "pámpanu"
        },
        {
          "code": "ast",
          "lang": "Asturian",
          "lang_code": "ast",
          "sense": "marine fish",
          "word": "pilotu"
        },
        {
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "riba-locman",
          "sense": "marine fish",
          "tags": [
            "feminine"
          ],
          "word": "риба-лоцман"
        },
        {
          "code": "ca",
          "lang": "Catalan",
          "lang_code": "ca",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "pàmpol"
        },
        {
          "code": "fr",
          "lang": "French",
          "lang_code": "fr",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "poisson pilote"
        },
        {
          "code": "it",
          "lang": "Italian",
          "lang_code": "it",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "pesce pilota"
        },
        {
          "code": "la",
          "lang": "Latin",
          "lang_code": "la",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "pompilus"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "piloto"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "lang_code": "pt",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "peixe-piloto"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "lang_code": "ro",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "pește-pilot"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "lang_code": "ru",
          "roman": "rýba-lócman",
          "sense": "marine fish",
          "tags": [
            "feminine"
          ],
          "word": "ры́ба-ло́цман"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "pez piloto"
        },
        {
          "code": "yi",
          "lang": "Yiddish",
          "lang_code": "yi",
          "roman": "lotsman",
          "sense": "marine fish",
          "tags": [
            "masculine"
          ],
          "word": "לאָצמאַן"
        }
      ]
    }
  ],
  "word": "pilot fish"
}

{
  "etymology_text": "So called from its having been supposed to guide sharks to their prey.",
  "forms": [
    {
      "form": "pilot fish",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "pilot fishes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*",
        "2": "+"
      },
      "expansion": "pilot fish (plural pilot fish or pilot fishes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Asturian translations",
        "Terms with Bulgarian translations",
        "Terms with Catalan translations",
        "Terms with French translations",
        "Terms with Italian translations",
        "Terms with Latin translations",
        "Terms with Portuguese translations",
        "Terms with Romanian translations",
        "Terms with Russian translations",
        "Terms with Spanish translations",
        "Terms with Yiddish translations",
        "en:Jackfish"
      ],
      "glosses": [
        "A marine fish, Naucrates ductor, that often follows large vessels and sharks."
      ],
      "links": [
        [
          "marine",
          "marine"
        ],
        [
          "shark",
          "shark"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "ast",
      "lang": "Asturian",
      "lang_code": "ast",
      "sense": "marine fish",
      "word": "pámpanu"
    },
    {
      "code": "ast",
      "lang": "Asturian",
      "lang_code": "ast",
      "sense": "marine fish",
      "word": "pilotu"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "riba-locman",
      "sense": "marine fish",
      "tags": [
        "feminine"
      ],
      "word": "риба-лоцман"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "lang_code": "ca",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "pàmpol"
    },
    {
      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "poisson pilote"
    },
    {
      "code": "it",
      "lang": "Italian",
      "lang_code": "it",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "pesce pilota"
    },
    {
      "code": "la",
      "lang": "Latin",
      "lang_code": "la",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "pompilus"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "piloto"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "lang_code": "pt",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "peixe-piloto"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "lang_code": "ro",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "pește-pilot"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "rýba-lócman",
      "sense": "marine fish",
      "tags": [
        "feminine"
      ],
      "word": "ры́ба-ло́цман"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "pez piloto"
    },
    {
      "code": "yi",
      "lang": "Yiddish",
      "lang_code": "yi",
      "roman": "lotsman",
      "sense": "marine fish",
      "tags": [
        "masculine"
      ],
      "word": "לאָצמאַן"
    }
  ],
  "word": "pilot fish"
}