"spongin" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sponge",
        "3": "in"
      },
      "expansion": "sponge + -in",
      "name": "suffix"
    }
  ],
  "etymology_text": "From sponge + -in.",
  "forms": [
    {
      "form": "spongins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spongin (plural spongins)",
      "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 suffixed with -in",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Proteins",
          "orig": "en:Proteins",
          "parents": [
            "Biomolecules",
            "Biochemistry",
            "Body parts",
            "Organic compounds",
            "Biology",
            "Chemistry",
            "Body",
            "Anatomy",
            "Matter",
            "Sciences",
            "All topics",
            "Medicine",
            "Nature",
            "Fundamental",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed."
      ],
      "id": "en-spongin-en-noun-O1qTsFUo",
      "links": [
        [
          "horny",
          "horny"
        ],
        [
          "sulfur",
          "sulfur"
        ],
        [
          "protein",
          "protein"
        ],
        [
          "keratin",
          "keratin"
        ],
        [
          "proteinaceous",
          "proteinaceous"
        ],
        [
          "spicules",
          "spicules"
        ],
        [
          "Demospongiae",
          "Demospongiae#Translingual"
        ]
      ]
    }
  ],
  "word": "spongin"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sponge",
        "3": "in"
      },
      "expansion": "sponge + -in",
      "name": "suffix"
    }
  ],
  "etymology_text": "From sponge + -in.",
  "forms": [
    {
      "form": "spongins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "spongin (plural spongins)",
      "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 terms suffixed with -in",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Proteins"
      ],
      "glosses": [
        "A horny, sulfur-containing protein, related to keratin, that forms the skeletal structure of certain classes of sponges. A proteinaceous compound of which the spicules in Demospongiae are composed."
      ],
      "links": [
        [
          "horny",
          "horny"
        ],
        [
          "sulfur",
          "sulfur"
        ],
        [
          "protein",
          "protein"
        ],
        [
          "keratin",
          "keratin"
        ],
        [
          "proteinaceous",
          "proteinaceous"
        ],
        [
          "spicules",
          "spicules"
        ],
        [
          "Demospongiae",
          "Demospongiae#Translingual"
        ]
      ]
    }
  ],
  "word": "spongin"
}