"hallmate" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hall",
        "3": "mate"
      },
      "expansion": "hall + mate",
      "name": "compound"
    }
  ],
  "etymology_text": "From hall + mate.",
  "forms": [
    {
      "form": "hallmates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hallmate (plural hallmates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "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": "2009 October 2, Tamar Lewin, “M.I.T. Taking Student Blogs to Nth Degree”, in New York Times:",
          "text": "As she wrote on her blog, a hallmate once told her that “M.I.T. is the closest you can get to living in the Internet,”",
          "type": "quote"
        }
      ],
      "glosses": [
        "One who lives in the same hall of residence."
      ],
      "id": "en-hallmate-en-noun-1oZXUrJp",
      "links": [
        [
          "hall of residence",
          "hall of residence"
        ]
      ]
    }
  ],
  "word": "hallmate"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hall",
        "3": "mate"
      },
      "expansion": "hall + mate",
      "name": "compound"
    }
  ],
  "etymology_text": "From hall + mate.",
  "forms": [
    {
      "form": "hallmates",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hallmate (plural hallmates)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2009 October 2, Tamar Lewin, “M.I.T. Taking Student Blogs to Nth Degree”, in New York Times:",
          "text": "As she wrote on her blog, a hallmate once told her that “M.I.T. is the closest you can get to living in the Internet,”",
          "type": "quote"
        }
      ],
      "glosses": [
        "One who lives in the same hall of residence."
      ],
      "links": [
        [
          "hall of residence",
          "hall of residence"
        ]
      ]
    }
  ],
  "word": "hallmate"
}