"coralline sponge" meaning in English

{
  "forms": [
    {
      "form": "coralline sponges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coralline sponge (plural coralline sponges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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          "source": "w"
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        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Sponges",
          "orig": "en:Sponges",
          "parents": [
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
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        }
      ],
      "glosses": [
        "Any of many sponges, of the class Sclerospongiae, that have a massive skeleton made of calcium carbonate"
      ],
      "id": "en-coralline_sponge-en-noun-EGIsyTqf",
      "links": [
        [
          "sponge",
          "sponge"
        ],
        [
          "Sclerospongiae",
          "Sclerospongiae#Translingual"
        ],
        [
          "calcium carbonate",
          "calcium carbonate"
        ]
      ]
    }
  ],
  "word": "coralline sponge"
}

{
  "forms": [
    {
      "form": "coralline sponges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coralline sponge (plural coralline sponges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
        "English entries with incorrect language header",
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        "en:Sponges"
      ],
      "glosses": [
        "Any of many sponges, of the class Sclerospongiae, that have a massive skeleton made of calcium carbonate"
      ],
      "links": [
        [
          "sponge",
          "sponge"
        ],
        [
          "Sclerospongiae",
          "Sclerospongiae#Translingual"
        ],
        [
          "calcium carbonate",
          "calcium carbonate"
        ]
      ]
    }
  ],
  "word": "coralline sponge"
}