"true crab" meaning in English

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        "2": "true",
        "3": "crab"
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      "expansion": "true + crab",
      "name": "compound"
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  ],
  "etymology_text": "true + crab. From being a member of a monophyletic grouping of decapods that have been taxonomically defined as the actual crabs, without polyphyletically grouping in other crab lineages, now delineated as false crabs.",
  "forms": [
    {
      "form": "true crabs",
      "tags": [
        "plural"
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  "head_templates": [
    {
      "args": {},
      "expansion": "true crab (plural true crabs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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          "name": "Biology",
          "orig": "en:Biology",
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          "langcode": "en",
          "name": "Zoology",
          "orig": "en:Zoology",
          "parents": [],
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        }
      ],
      "glosses": [
        "A brachyuran, a member of the infraorder Brachyura."
      ],
      "id": "en-true_crab-en-noun-4uo7jJAW",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "zoology",
          "zoology"
        ],
        [
          "brachyuran",
          "brachyuran#English"
        ],
        [
          "Brachyura",
          "Brachyura#Translingual"
        ]
      ],
      "qualifier": "evolution",
      "raw_glosses": [
        "(biology, zoology, carcinology, evolution) A brachyuran, a member of the infraorder Brachyura."
      ],
      "topics": [
        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "true crab"
}

{
  "etymology_templates": [
    {
      "args": {
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        "2": "true",
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      "expansion": "true + crab",
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  ],
  "etymology_text": "true + crab. From being a member of a monophyletic grouping of decapods that have been taxonomically defined as the actual crabs, without polyphyletically grouping in other crab lineages, now delineated as false crabs.",
  "forms": [
    {
      "form": "true crabs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "true crab (plural true crabs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "A brachyuran, a member of the infraorder Brachyura."
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          "zoology"
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      "qualifier": "evolution",
      "raw_glosses": [
        "(biology, zoology, carcinology, evolution) A brachyuran, a member of the infraorder Brachyura."
      ],
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        "biology",
        "natural-sciences",
        "zoology"
      ]
    }
  ],
  "word": "true crab"
}