"whalesucker" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "whale",
        "3": "sucker"
      },
      "expansion": "whale + sucker",
      "name": "compound"
    }
  ],
  "etymology_text": "whale + sucker",
  "forms": [
    {
      "form": "whalesuckers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "whalesucker (plural whalesuckers)",
      "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"
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          "source": "w"
        },
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          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Percoid fish",
          "orig": "en:Percoid fish",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A tropical species of remora, Remora australis, that attaches exclusively to cetaceans."
      ],
      "id": "en-whalesucker-en-noun-wEJntrp7",
      "links": [
        [
          "remora",
          "remora"
        ],
        [
          "cetacean",
          "cetacean"
        ]
      ]
    }
  ],
  "word": "whalesucker"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "whale",
        "3": "sucker"
      },
      "expansion": "whale + sucker",
      "name": "compound"
    }
  ],
  "etymology_text": "whale + sucker",
  "forms": [
    {
      "form": "whalesuckers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "whalesucker (plural whalesuckers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "en:Percoid fish"
      ],
      "glosses": [
        "A tropical species of remora, Remora australis, that attaches exclusively to cetaceans."
      ],
      "links": [
        [
          "remora",
          "remora"
        ],
        [
          "cetacean",
          "cetacean"
        ]
      ]
    }
  ],
  "word": "whalesucker"
}