"Parkman crab" meaning in English

{
  "etymology_text": "Named after Francis Parkman.",
  "forms": [
    {
      "form": "Parkman crabs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Parkman crab (plural Parkman crabs)",
      "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 language name categories using raw markup",
          "parents": [
            "Entries with language name 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"
        }
      ],
      "glosses": [
        "Malus halliana parkmanii, a crabapple tree with rose-like flowers and small purple fruit."
      ],
      "id": "en-Parkman_crab-en-noun-wcU77ZsP",
      "links": [
        [
          "crabapple",
          "crabapple"
        ],
        [
          "tree",
          "tree"
        ],
        [
          "rose",
          "rose"
        ],
        [
          "purple",
          "purple"
        ],
        [
          "fruit",
          "fruit"
        ]
      ]
    }
  ],
  "word": "Parkman crab"
}

{
  "etymology_text": "Named after Francis Parkman.",
  "forms": [
    {
      "form": "Parkman crabs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Parkman crab (plural Parkman crabs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "Malus halliana parkmanii, a crabapple tree with rose-like flowers and small purple fruit."
      ],
      "links": [
        [
          "crabapple",
          "crabapple"
        ],
        [
          "tree",
          "tree"
        ],
        [
          "rose",
          "rose"
        ],
        [
          "purple",
          "purple"
        ],
        [
          "fruit",
          "fruit"
        ]
      ]
    }
  ],
  "word": "Parkman crab"
}