"3V" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "!"
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      "expansion": "3V (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "threevee"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English nouns with unattested plurals",
          "parents": [
            "Nouns with unattested plurals",
            "Nouns",
            "Lemmas"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1985, Harry Harrison, A Stainless Steel Rat is Born, London: Sphere Books, →ISBN, page 57:",
          "text": "I turned on the 3V and got the tailend of the news, slumped down in the tub and listened with half an ear, too lazy to change channels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of threevee"
      ],
      "id": "en-3V-en-noun-WSjIRKd2",
      "links": [
        [
          "threevee",
          "threevee#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "no-plural"
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    }
  ],
  "word": "3V"
}

{
  "head_templates": [
    {
      "args": {
        "1": "!"
      },
      "expansion": "3V (plural not attested)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "threevee"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with unattested plurals",
        "English terms spelled with numbers",
        "English terms with quotations",
        "English words without vowels",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1985, Harry Harrison, A Stainless Steel Rat is Born, London: Sphere Books, →ISBN, page 57:",
          "text": "I turned on the 3V and got the tailend of the news, slumped down in the tub and listened with half an ear, too lazy to change channels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of threevee"
      ],
      "links": [
        [
          "threevee",
          "threevee#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "no-plural"
      ]
    }
  ],
  "word": "3V"
}