"deltidium" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la-new",
        "3": "deltidium"
      },
      "expansion": "New Latin deltidium",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "delta",
        "3": "-idium"
      },
      "expansion": "By surface analysis, delta + -idium",
      "name": "surf"
    }
  ],
  "etymology_text": "Borrowed from New Latin deltidium. By surface analysis, delta + -idium.",
  "forms": [
    {
      "form": "deltidiums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "deltidia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "deltidia"
      },
      "expansion": "deltidium (plural deltidiums or deltidia)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "attestations": [
        {
          "date": "1851",
          "references": []
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -idium",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
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          "parents": [],
          "source": "w"
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        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Conchology",
          "orig": "en:Conchology",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "The triangular space under the beak of many brachiopod shells."
      ],
      "id": "en-deltidium-en-noun-UNkGc4SM",
      "links": [
        [
          "conchology",
          "conchology"
        ],
        [
          "triangular",
          "triangular"
        ],
        [
          "beak",
          "beak"
        ],
        [
          "brachiopod",
          "brachiopod"
        ],
        [
          "shell",
          "shell"
        ]
      ],
      "raw_glosses": [
        "(conchology, now rare) The triangular space under the beak of many brachiopod shells."
      ],
      "related": [
        {
          "word": "delta"
        }
      ],
      "tags": [
        "archaic"
      ],
      "topics": [
        "biology",
        "conchology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɛlˈtɪdɪəm/",
      "tags": [
        "Received-Pronunciation"
      ]
    }
  ],
  "word": "deltidium"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la-new",
        "3": "deltidium"
      },
      "expansion": "New Latin deltidium",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "delta",
        "3": "-idium"
      },
      "expansion": "By surface analysis, delta + -idium",
      "name": "surf"
    }
  ],
  "etymology_text": "Borrowed from New Latin deltidium. By surface analysis, delta + -idium.",
  "forms": [
    {
      "form": "deltidiums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "deltidia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "deltidia"
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      "expansion": "deltidium (plural deltidiums or deltidia)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "delta"
    }
  ],
  "senses": [
    {
      "attestations": [
        {
          "date": "1851",
          "references": []
        }
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        "English countable nouns",
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        "English nouns with irregular plurals",
        "English terms borrowed from New Latin",
        "English terms derived from New Latin",
        "English terms derived from the shape of letters",
        "English terms suffixed with -idium",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with rare senses",
        "Pages with 2 entries",
        "Pages with entries",
        "en:Conchology"
      ],
      "glosses": [
        "The triangular space under the beak of many brachiopod shells."
      ],
      "links": [
        [
          "conchology",
          "conchology"
        ],
        [
          "triangular",
          "triangular"
        ],
        [
          "beak",
          "beak"
        ],
        [
          "brachiopod",
          "brachiopod"
        ],
        [
          "shell",
          "shell"
        ]
      ],
      "raw_glosses": [
        "(conchology, now rare) The triangular space under the beak of many brachiopod shells."
      ],
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        "archaic"
      ],
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        "biology",
        "conchology",
        "natural-sciences",
        "zoology"
      ]
    }
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    {
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      "tags": [
        "Received-Pronunciation"
      ]
    }
  ],
  "word": "deltidium"
}