"false killer whale" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "false"
      },
      "expansion": "false",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "killer whale"
      },
      "expansion": "killer whale",
      "name": "m"
    }
  ],
  "etymology_text": "From false + killer whale; so called for certain similarities to orcas (killer whales).",
  "forms": [
    {
      "form": "false killer whales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "false killer whale"
      },
      "expansion": "false killer whale (plural false killer whales)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Delphinids",
          "orig": "en:Delphinids",
          "parents": [
            "Cetaceans",
            "Even-toed ungulates",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A dolphin of species Pseudorca crassidens, the sole species of genus Pseudorca and one of the larger dolphin species."
      ],
      "id": "en-false_killer_whale-en-noun-WTcaJ3fO",
      "links": [
        [
          "dolphin",
          "dolphin"
        ],
        [
          "Pseudorca",
          "Pseudorca#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "ast",
          "lang": "Asturian",
          "sense": "false killer whale",
          "tags": [
            "masculine"
          ],
          "word": "xiborgu"
        }
      ],
      "wikipedia": [
        "false killer whale"
      ]
    }
  ],
  "word": "false killer whale"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "false"
      },
      "expansion": "false",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "killer whale"
      },
      "expansion": "killer whale",
      "name": "m"
    }
  ],
  "etymology_text": "From false + killer whale; so called for certain similarities to orcas (killer whales).",
  "forms": [
    {
      "form": "false killer whales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "false killer whale"
      },
      "expansion": "false killer whale (plural false killer whales)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Entries using missing taxonomic name (species)",
        "en:Delphinids"
      ],
      "glosses": [
        "A dolphin of species Pseudorca crassidens, the sole species of genus Pseudorca and one of the larger dolphin species."
      ],
      "links": [
        [
          "dolphin",
          "dolphin"
        ],
        [
          "Pseudorca",
          "Pseudorca#Translingual"
        ]
      ],
      "wikipedia": [
        "false killer whale"
      ]
    }
  ],
  "translations": [
    {
      "code": "ast",
      "lang": "Asturian",
      "sense": "false killer whale",
      "tags": [
        "masculine"
      ],
      "word": "xiborgu"
    }
  ],
  "word": "false killer whale"
}