"Tommy gun" meaning in English

{
  "forms": [
    {
      "form": "Tommy guns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Tommy gun (plural Tommy guns)",
      "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 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": "topical",
          "langcode": "en",
          "name": "Firearms",
          "orig": "en:Firearms",
          "parents": [
            "Weapons",
            "Hunting",
            "Military",
            "Tools",
            "Human activity",
            "Society",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "tommy gunner"
        }
      ],
      "form_of": [
        {
          "word": "Thompson submachine gun"
        }
      ],
      "glosses": [
        "Diminutive of Thompson submachine gun"
      ],
      "id": "en-Tommy_gun-en-noun-Lh9a1a5v",
      "links": [
        [
          "Thompson submachine gun",
          "Thompson submachine gun#English"
        ]
      ],
      "tags": [
        "diminutive",
        "form-of"
      ]
    }
  ],
  "word": "Tommy gun"
}

{
  "derived": [
    {
      "word": "tommy gunner"
    }
  ],
  "forms": [
    {
      "form": "Tommy guns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Tommy gun (plural Tommy guns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English diminutive nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English entries with topic categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Firearms"
      ],
      "form_of": [
        {
          "word": "Thompson submachine gun"
        }
      ],
      "glosses": [
        "Diminutive of Thompson submachine gun"
      ],
      "links": [
        [
          "Thompson submachine gun",
          "Thompson submachine gun#English"
        ]
      ],
      "tags": [
        "diminutive",
        "form-of"
      ]
    }
  ],
  "word": "Tommy gun"
}