"little tern" meaning in English

{
  "forms": [
    {
      "form": "little terns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "little tern (plural little terns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Terns",
          "orig": "en:Terns",
          "parents": [
            "Seabirds",
            "Birds",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The seabird Sternula albifrons."
      ],
      "id": "en-little_tern-en-noun-UAomcOay",
      "links": [
        [
          "seabird",
          "seabird"
        ],
        [
          "Sternula albifrons",
          "Sternula albifrons#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "ca",
          "lang": "Catalan",
          "sense": "Sternula albifrons",
          "tags": [
            "masculine"
          ],
          "word": "xatrac menut"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "Sternula albifrons",
          "tags": [
            "feminine"
          ],
          "word": "dwergstern"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Sternula albifrons",
          "word": "pikkutiira"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Sternula albifrons",
          "tags": [
            "feminine"
          ],
          "word": "sterne naine"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Sternula albifrons",
          "tags": [
            "feminine"
          ],
          "word": "Zwergseeschwalbe"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "Sternula albifrons",
          "tags": [
            "feminine"
          ],
          "word": "geabhróg bheag"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "soejebigalmaegi",
          "sense": "Sternula albifrons",
          "word": "쇠제비갈매기"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Sternula albifrons",
          "tags": [
            "feminine"
          ],
          "word": "rybitwa białoczelna"
        }
      ],
      "wikipedia": [
        "little tern"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɜː(ɹ)n"
    }
  ],
  "word": "little tern"
}

{
  "forms": [
    {
      "form": "little terns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "little tern (plural little terns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "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",
        "Rhymes:English/ɜː(ɹ)n",
        "Rhymes:English/ɜː(ɹ)n/3 syllables",
        "en:Terns"
      ],
      "glosses": [
        "The seabird Sternula albifrons."
      ],
      "links": [
        [
          "seabird",
          "seabird"
        ],
        [
          "Sternula albifrons",
          "Sternula albifrons#Translingual"
        ]
      ],
      "wikipedia": [
        "little tern"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɜː(ɹ)n"
    }
  ],
  "translations": [
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "Sternula albifrons",
      "tags": [
        "masculine"
      ],
      "word": "xatrac menut"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "Sternula albifrons",
      "tags": [
        "feminine"
      ],
      "word": "dwergstern"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Sternula albifrons",
      "word": "pikkutiira"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Sternula albifrons",
      "tags": [
        "feminine"
      ],
      "word": "sterne naine"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Sternula albifrons",
      "tags": [
        "feminine"
      ],
      "word": "Zwergseeschwalbe"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "Sternula albifrons",
      "tags": [
        "feminine"
      ],
      "word": "geabhróg bheag"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "soejebigalmaegi",
      "sense": "Sternula albifrons",
      "word": "쇠제비갈매기"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Sternula albifrons",
      "tags": [
        "feminine"
      ],
      "word": "rybitwa białoczelna"
    }
  ],
  "word": "little tern"
}