"black coral" meaning in English

{
  "etymology_text": "From the black colouration of their skeletons of the corals, made of chitin; unlike shallow-water corals which use calcium carbonate to build white skeletons, evident during coral bleaching events which reveal the colour of the skeletons, due to the transparent corals expelling their colourful algae symbionts.",
  "forms": [
    {
      "form": "black corals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "black coral (plural black corals)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Cnidarians",
          "orig": "en:Cnidarians",
          "parents": [
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of various tropical corals of the family Antipathidae."
      ],
      "hypernyms": [
        {
          "word": "deep coral"
        },
        {
          "word": "coral"
        }
      ],
      "id": "en-black_coral-en-noun-rhFbeJf0",
      "links": [
        [
          "tropical",
          "tropical"
        ],
        [
          "Antipathidae",
          "Antipathidae#Translingual"
        ]
      ],
      "related": [
        {
          "word": "coral"
        },
        {
          "word": "coral bleaching"
        },
        {
          "word": "coralporosis"
        },
        {
          "word": "deep coral"
        },
        {
          "word": "hard coral"
        },
        {
          "word": "octocoral"
        },
        {
          "word": "soft coral"
        }
      ]
    }
  ],
  "word": "black coral"
}

{
  "etymology_text": "From the black colouration of their skeletons of the corals, made of chitin; unlike shallow-water corals which use calcium carbonate to build white skeletons, evident during coral bleaching events which reveal the colour of the skeletons, due to the transparent corals expelling their colourful algae symbionts.",
  "forms": [
    {
      "form": "black corals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "black coral (plural black corals)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "deep coral"
    },
    {
      "word": "coral"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "coral"
    },
    {
      "word": "coral bleaching"
    },
    {
      "word": "coralporosis"
    },
    {
      "word": "deep coral"
    },
    {
      "word": "hard coral"
    },
    {
      "word": "octocoral"
    },
    {
      "word": "soft coral"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Cnidarians"
      ],
      "glosses": [
        "Any of various tropical corals of the family Antipathidae."
      ],
      "links": [
        [
          "tropical",
          "tropical"
        ],
        [
          "Antipathidae",
          "Antipathidae#Translingual"
        ]
      ]
    }
  ],
  "word": "black coral"
}