"գլխ." meaning in Armenian

{
  "forms": [
    {
      "form": "glx.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hy",
        "10": "ամենագլխ.",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "head": "",
        "id": ""
      },
      "expansion": "գլխ. • (glx.)",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "-"
      },
      "expansion": "գլխ. • (glx.)",
      "name": "hy-adj"
    }
  ],
  "lang": "Armenian",
  "lang_code": "hy",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "glxavor",
          "word": "գլխավոր"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Armenian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of գլխավոր (glxavor)."
      ],
      "id": "en-գլխ.-hy-adj-DSwCgIm3",
      "links": [
        [
          "գլխավոր",
          "գլխավոր#Armenian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "գլխ."
}

{
  "forms": [
    {
      "form": "glx.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hy",
        "10": "ամենագլխ.",
        "2": "adjective",
        "3": "",
        "4": "",
        "5": "",
        "6": "",
        "7": "",
        "8": "",
        "9": "",
        "head": "",
        "id": ""
      },
      "expansion": "գլխ. • (glx.)",
      "name": "head"
    },
    {
      "args": {
        "1": "",
        "2": "-"
      },
      "expansion": "գլխ. • (glx.)",
      "name": "hy-adj"
    }
  ],
  "lang": "Armenian",
  "lang_code": "hy",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "glxavor",
          "word": "գլխավոր"
        }
      ],
      "categories": [
        "Armenian abbreviations",
        "Armenian adjectives",
        "Armenian entries with incorrect language header",
        "Armenian lemmas"
      ],
      "glosses": [
        "Abbreviation of գլխավոր (glxavor)."
      ],
      "links": [
        [
          "գլխավոր",
          "գլխավոր#Armenian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "գլխ."
}