"left-half" meaning in English

{
  "forms": [
    {
      "form": "left-halves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "left-halves"
      },
      "expansion": "left-half (plural left-halves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Football (soccer)",
          "orig": "en:Football (soccer)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A player who plays wide on the left side of midfield"
      ],
      "id": "en-left-half-en-noun-iDV7TTjF",
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "left",
          "left"
        ],
        [
          "midfield",
          "midfield"
        ]
      ],
      "raw_glosses": [
        "(soccer, dated) A player who plays wide on the left side of midfield"
      ],
      "related": [
        {
          "word": "right-half"
        }
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ]
    }
  ],
  "word": "left-half"
}

{
  "forms": [
    {
      "form": "left-halves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "left-halves"
      },
      "expansion": "left-half (plural left-halves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "right-half"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with irregular plurals",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Football (soccer)"
      ],
      "glosses": [
        "A player who plays wide on the left side of midfield"
      ],
      "links": [
        [
          "soccer",
          "soccer"
        ],
        [
          "left",
          "left"
        ],
        [
          "midfield",
          "midfield"
        ]
      ],
      "raw_glosses": [
        "(soccer, dated) A player who plays wide on the left side of midfield"
      ],
      "tags": [
        "dated"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "soccer",
        "sports"
      ]
    }
  ],
  "word": "left-half"
}