"reef shark" meaning in English

{
  "forms": [
    {
      "form": "reef sharks",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
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      "args": {},
      "expansion": "reef shark (plural reef sharks)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Sharks",
          "orig": "en:Sharks",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
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          "source": "w"
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      "derived": [
        {
          "taxonomic": "Carcharhinus melanopterus",
          "word": "blacktip reef shark"
        },
        {
          "taxonomic": "Carcharhinus amblyrhynchos",
          "word": "grey reef shark"
        },
        {
          "taxonomic": "Triaenodon obesus",
          "word": "whitetip reef shark"
        },
        {
          "taxonomic": "Carcharhinus perezi",
          "word": "Caribbean reef shark"
        }
      ],
      "glosses": [
        "Any of various sharks that inhabit coral reefs, especially of the family Carcharhinidae."
      ],
      "id": "en-reef_shark-en-noun-4VQIA-As",
      "links": [
        [
          "shark",
          "shark"
        ],
        [
          "reef",
          "reef"
        ],
        [
          "Carcharhinidae",
          "Carcharhinidae#Translingual"
        ]
      ]
    }
  ],
  "word": "reef shark"
}

{
  "derived": [
    {
      "taxonomic": "Carcharhinus melanopterus",
      "word": "blacktip reef shark"
    },
    {
      "taxonomic": "Carcharhinus amblyrhynchos",
      "word": "grey reef shark"
    },
    {
      "taxonomic": "Triaenodon obesus",
      "word": "whitetip reef shark"
    },
    {
      "taxonomic": "Carcharhinus perezi",
      "word": "Caribbean reef shark"
    }
  ],
  "forms": [
    {
      "form": "reef sharks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "reef shark (plural reef sharks)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Sharks"
      ],
      "glosses": [
        "Any of various sharks that inhabit coral reefs, especially of the family Carcharhinidae."
      ],
      "links": [
        [
          "shark",
          "shark"
        ],
        [
          "reef",
          "reef"
        ],
        [
          "Carcharhinidae",
          "Carcharhinidae#Translingual"
        ]
      ]
    }
  ],
  "word": "reef shark"
}