"pilot snake" meaning in English

{
  "forms": [
    {
      "form": "pilot snakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pilot snake (plural pilot snakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "47 53",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Colubrid snakes",
          "orig": "en:Colubrid snakes",
          "parents": [
            "Snakes",
            "Reptiles",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "57 43",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Vipers",
          "orig": "en:Vipers",
          "parents": [
            "Snakes",
            "Reptiles",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Agkistrodon contortrix, the copperhead, a venomous viper found in the United States."
      ],
      "id": "en-pilot_snake-en-noun-zFg0P6Fn",
      "links": [
        [
          "Agkistrodon contortrix",
          "Agkistrodon contortrix#Translingual"
        ],
        [
          "copperhead",
          "copperhead"
        ],
        [
          "viper",
          "viper"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "33 67",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "31 69",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "lifeform",
          "langcode": "en",
          "name": "Colubrid snakes",
          "orig": "en:Colubrid snakes",
          "parents": [
            "Snakes",
            "Reptiles",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Pituophis melanoleucus melanoleucus, the northern pine snake, a harmless colubrid found in North America."
      ],
      "id": "en-pilot_snake-en-noun-QexipPv-",
      "links": [
        [
          "colubrid",
          "colubrid"
        ]
      ]
    }
  ],
  "word": "pilot snake"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys",
    "en:Colubrid snakes",
    "en:Vipers"
  ],
  "forms": [
    {
      "form": "pilot snakes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pilot snake (plural pilot snakes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "Agkistrodon contortrix, the copperhead, a venomous viper found in the United States."
      ],
      "links": [
        [
          "Agkistrodon contortrix",
          "Agkistrodon contortrix#Translingual"
        ],
        [
          "copperhead",
          "copperhead"
        ],
        [
          "viper",
          "viper"
        ]
      ]
    },
    {
      "categories": [
        "Entries missing English vernacular names of taxa",
        "Entries using missing taxonomic name (subspecies)"
      ],
      "glosses": [
        "Pituophis melanoleucus melanoleucus, the northern pine snake, a harmless colubrid found in North America."
      ],
      "links": [
        [
          "colubrid",
          "colubrid"
        ]
      ]
    }
  ],
  "word": "pilot snake"
}