"square inch" meaning in English

{
  "forms": [
    {
      "form": "square inches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "square inch (plural square inches)",
      "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 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": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Units of measure",
          "orig": "en:Units of measure",
          "parents": [
            "Metrology",
            "Quantity",
            "Applied sciences",
            "Mathematics",
            "Sciences",
            "Formal sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A unit of area equal to the area of a square the sides of which are each one inch long."
      ],
      "id": "en-square_inch-en-noun-Y4FAd5Uu",
      "links": [
        [
          "area",
          "area"
        ],
        [
          "square",
          "square"
        ]
      ],
      "related": [
        {
          "word": "square foot"
        }
      ],
      "synonyms": [
        {
          "word": "sq in"
        },
        {
          "word": "sq. in."
        },
        {
          "word": "in2"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "english": "Western square inch",
          "lang": "Chinese Mandarin",
          "roman": "píngfāng Yīngcùn",
          "sense": "unit of area",
          "word": "平方英寸"
        },
        {
          "code": "cmn",
          "english": "Chinese square inch",
          "lang": "Chinese Mandarin",
          "roman": "fāngcùn",
          "sense": "unit of area",
          "word": "方寸"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "unit of area",
          "word": "neliötuuma"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "unit of area",
          "tags": [
            "masculine"
          ],
          "word": "pollice al quadrato"
        },
        {
          "code": "ms",
          "lang": "Malay",
          "sense": "unit of area",
          "word": "inci persegi"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "unit of area",
          "tags": [
            "masculine"
          ],
          "word": "țol pătrat"
        },
        {
          "code": "th",
          "lang": "Thai",
          "sense": "unit of area",
          "word": "ตารางนิ้ว"
        }
      ]
    }
  ],
  "word": "square inch"
}

{
  "forms": [
    {
      "form": "square inches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "square inch (plural square inches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "square foot"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Mandarin terms with redundant transliterations",
        "en:Units of measure"
      ],
      "glosses": [
        "A unit of area equal to the area of a square the sides of which are each one inch long."
      ],
      "links": [
        [
          "area",
          "area"
        ],
        [
          "square",
          "square"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "sq in"
    },
    {
      "word": "sq. in."
    },
    {
      "word": "in2"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "english": "Western square inch",
      "lang": "Chinese Mandarin",
      "roman": "píngfāng Yīngcùn",
      "sense": "unit of area",
      "word": "平方英寸"
    },
    {
      "code": "cmn",
      "english": "Chinese square inch",
      "lang": "Chinese Mandarin",
      "roman": "fāngcùn",
      "sense": "unit of area",
      "word": "方寸"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "unit of area",
      "word": "neliötuuma"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "unit of area",
      "tags": [
        "masculine"
      ],
      "word": "pollice al quadrato"
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "unit of area",
      "word": "inci persegi"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "unit of area",
      "tags": [
        "masculine"
      ],
      "word": "țol pătrat"
    },
    {
      "code": "th",
      "lang": "Thai",
      "sense": "unit of area",
      "word": "ตารางนิ้ว"
    }
  ],
  "word": "square inch"
}