"armed bullhead" meaning in English

{
  "forms": [
    {
      "form": "armed bullheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "armed bullhead (plural armed bullheads)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Scorpaeniform fish",
          "orig": "en:Scorpaeniform fish",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Agonus cataphractus, a fish covered in hard bony plates."
      ],
      "id": "en-armed_bullhead-en-noun-Lox9hKrd",
      "links": [
        [
          "fish",
          "fish"
        ],
        [
          "bony",
          "bony"
        ],
        [
          "plate",
          "plate"
        ]
      ],
      "synonyms": [
        {
          "word": "hooknose"
        }
      ]
    }
  ],
  "word": "armed bullhead"
}

{
  "forms": [
    {
      "form": "armed bullheads",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "armed bullhead (plural armed bullheads)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Scorpaeniform fish"
      ],
      "glosses": [
        "Agonus cataphractus, a fish covered in hard bony plates."
      ],
      "links": [
        [
          "fish",
          "fish"
        ],
        [
          "bony",
          "bony"
        ],
        [
          "plate",
          "plate"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "hooknose"
    }
  ],
  "word": "armed bullhead"
}