"x-over" meaning in English

{
  "forms": [
    {
      "form": "x-overs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "x-over (plural x-overs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "crossover"
        }
      ],
      "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": "1996 November 18, Christianto, “The Final Night : Not A Bad X-Over !!”, in rec.arts.comics.dc.universe (Usenet):",
          "text": "Sorry to bring up this x-over [The Final Night] which have come out months ago but i just read recently and cant stop admiring it ! This is a x-over which is low in hype (cf. Onslaught) but better in quality (yeh i've read Onslaught....another slugfest x-over....yawn).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of crossover."
      ],
      "id": "en-x-over-en-noun-rx5nwBbZ",
      "links": [
        [
          "crossover",
          "crossover#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "x-over"
}

{
  "forms": [
    {
      "form": "x-overs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "x-over (plural x-overs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "crossover"
        }
      ],
      "categories": [
        "English abbreviations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1996 November 18, Christianto, “The Final Night : Not A Bad X-Over !!”, in rec.arts.comics.dc.universe (Usenet):",
          "text": "Sorry to bring up this x-over [The Final Night] which have come out months ago but i just read recently and cant stop admiring it ! This is a x-over which is low in hype (cf. Onslaught) but better in quality (yeh i've read Onslaught....another slugfest x-over....yawn).",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of crossover."
      ],
      "links": [
        [
          "crossover",
          "crossover#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "x-over"
}