"centre-half" meaning in English

{
  "forms": [
    {
      "form": "centre-halves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "centre-halves"
      },
      "expansion": "centre-half (plural centre-halves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "centre half"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2011 December 29, Keith Jackson, “SPL: Celtic 1 Rangers 0”, in Daily Record",
          "text": "McCoist unexpectedly ushered back a defender of his own with Kirk Broadfoot taking over from Steven Whittaker. There was, of course, another change, Kyle Bartley stepping in at centre-half to replace suspended Dorin Goian.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of centre half"
      ],
      "id": "en-centre-half-en-noun-c9qqNkJ1",
      "links": [
        [
          "centre half",
          "centre half#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "centre-half"
}

{
  "forms": [
    {
      "form": "centre-halves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "centre-halves"
      },
      "expansion": "centre-half (plural centre-halves)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "centre half"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2011 December 29, Keith Jackson, “SPL: Celtic 1 Rangers 0”, in Daily Record",
          "text": "McCoist unexpectedly ushered back a defender of his own with Kirk Broadfoot taking over from Steven Whittaker. There was, of course, another change, Kyle Bartley stepping in at centre-half to replace suspended Dorin Goian.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of centre half"
      ],
      "links": [
        [
          "centre half",
          "centre half#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "centre-half"
}