"metavariable" meaning in All languages combined

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  "etymology_text": "meta- + variable",
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    {
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      "tags": [
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          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "ref": "2006 March 13, Lutz Martin, “Relative Clause Construal”, in The Dynamics of Language, Brill, page 85",
          "text": "The pragmatic process of substitution requires some given context to provide an appropriate substituend for a metavariable projected by a pronoun.",
          "type": "quotation"
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        "A symbol or string of symbols belonging to a metalanguage and standing for elements of some object language."
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        "(logic) A symbol or string of symbols belonging to a metalanguage and standing for elements of some object language."
      ],
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{
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        "2": "meta",
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  ],
  "etymology_text": "meta- + variable",
  "forms": [
    {
      "form": "metavariables",
      "tags": [
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        "A symbol or string of symbols belonging to a metalanguage and standing for elements of some object language."
      ],
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        "(logic) A symbol or string of symbols belonging to a metalanguage and standing for elements of some object language."
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