"apterium" meaning in English

{
  "antonyms": [
    {
      "word": "pteryla"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "a-"
      },
      "expansion": "a- +",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πτερόν",
        "4": "",
        "5": "feather"
      },
      "expansion": "Ancient Greek πτερόν (pterón, “feather”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "-ium"
      },
      "expansion": "-ium",
      "name": "af"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἄπτερος",
        "3": "",
        "4": "featherless"
      },
      "expansion": "Ancient Greek ἄπτερος (ápteros, “featherless”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From a- + Ancient Greek πτερόν (pterón, “feather”) + -ium. Compare Ancient Greek ἄπτερος (ápteros, “featherless”).",
  "forms": [
    {
      "form": "apteria",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "apteria"
      },
      "expansion": "apterium (plural apteria)",
      "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 terms prefixed with a-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ium",
          "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 Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Ornithology",
          "orig": "en:Ornithology",
          "parents": [
            "Zoology",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1918, American Ornithologists' Union, The Auk:",
          "text": "The two halves of the lower cervical tract are still separated by an apterium 4 mm. wide, as in the young bird, but contour feathers are now present on the chin and upper throat, so that they are united at their upper ends.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An area of bare (featherless) skin on a bird."
      ],
      "id": "en-apterium-en-noun-eBWQkUCU",
      "links": [
        [
          "ornithology",
          "ornithology"
        ],
        [
          "featherless",
          "featherless"
        ],
        [
          "bird",
          "bird"
        ]
      ],
      "raw_glosses": [
        "(ornithology) An area of bare (featherless) skin on a bird."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "ornithology"
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "an area of featherless skin",
          "tags": [
            "feminine"
          ],
          "word": "aptéria"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɪəɹiəm"
    }
  ],
  "word": "apterium"
}

{
  "antonyms": [
    {
      "word": "pteryla"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "a-"
      },
      "expansion": "a- +",
      "name": "prefix"
    },
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πτερόν",
        "4": "",
        "5": "feather"
      },
      "expansion": "Ancient Greek πτερόν (pterón, “feather”)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "-ium"
      },
      "expansion": "-ium",
      "name": "af"
    },
    {
      "args": {
        "1": "grc",
        "2": "ἄπτερος",
        "3": "",
        "4": "featherless"
      },
      "expansion": "Ancient Greek ἄπτερος (ápteros, “featherless”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From a- + Ancient Greek πτερόν (pterón, “feather”) + -ium. Compare Ancient Greek ἄπτερος (ápteros, “featherless”).",
  "forms": [
    {
      "form": "apteria",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "apteria"
      },
      "expansion": "apterium (plural apteria)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms derived from Ancient Greek",
        "English terms prefixed with a-",
        "English terms suffixed with -ium",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/ɪəɹiəm",
        "Rhymes:English/ɪəɹiəm/4 syllables",
        "Terms with Portuguese translations",
        "en:Ornithology"
      ],
      "examples": [
        {
          "ref": "1918, American Ornithologists' Union, The Auk:",
          "text": "The two halves of the lower cervical tract are still separated by an apterium 4 mm. wide, as in the young bird, but contour feathers are now present on the chin and upper throat, so that they are united at their upper ends.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An area of bare (featherless) skin on a bird."
      ],
      "links": [
        [
          "ornithology",
          "ornithology"
        ],
        [
          "featherless",
          "featherless"
        ],
        [
          "bird",
          "bird"
        ]
      ],
      "raw_glosses": [
        "(ornithology) An area of bare (featherless) skin on a bird."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "ornithology"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ɪəɹiəm"
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "an area of featherless skin",
      "tags": [
        "feminine"
      ],
      "word": "aptéria"
    }
  ],
  "word": "apterium"
}