"hackbolt" meaning in English

{
  "forms": [
    {
      "form": "hackbolts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hackbolt (plural hackbolts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Tubenose birds",
          "orig": "en:Tubenose birds",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A greater shearwater or hagdon (Ardenna gravis)."
      ],
      "id": "en-hackbolt-en-noun-epD9ptdI",
      "links": [
        [
          "hagdon",
          "hagdon"
        ],
        [
          "Ardenna gravis",
          "Ardenna gravis#Translingual"
        ]
      ],
      "qualifier": "Scilly Isles",
      "raw_glosses": [
        "(archaic, Scilly Isles) A greater shearwater or hagdon (Ardenna gravis)."
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "hackbolt"
}

{
  "forms": [
    {
      "form": "hackbolts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hackbolt (plural hackbolts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with archaic senses",
        "Entries missing English vernacular names of taxa",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Tubenose birds"
      ],
      "glosses": [
        "A greater shearwater or hagdon (Ardenna gravis)."
      ],
      "links": [
        [
          "hagdon",
          "hagdon"
        ],
        [
          "Ardenna gravis",
          "Ardenna gravis#Translingual"
        ]
      ],
      "qualifier": "Scilly Isles",
      "raw_glosses": [
        "(archaic, Scilly Isles) A greater shearwater or hagdon (Ardenna gravis)."
      ],
      "tags": [
        "archaic"
      ]
    }
  ],
  "word": "hackbolt"
}