"F clamp" meaning in English

{
  "forms": [
    {
      "form": "F clamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "F clamp (plural F clamps)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2018, Shawn McDonald, Everything you NEED to Know About TIG Welding:",
          "text": "I will just clamp a quick clamp or an F clamp to whatever I'm working on and rest my hand on it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A kind of clamp shaped like the capital letter F."
      ],
      "id": "en-F_clamp-en-noun-yt9ZiU04"
    }
  ],
  "word": "F clamp"
}

{
  "forms": [
    {
      "form": "F clamps",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "F clamp (plural F clamps)",
      "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",
        "English terms derived from the shape of letters",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2018, Shawn McDonald, Everything you NEED to Know About TIG Welding:",
          "text": "I will just clamp a quick clamp or an F clamp to whatever I'm working on and rest my hand on it.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A kind of clamp shaped like the capital letter F."
      ]
    }
  ],
  "word": "F clamp"
}