"공강" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "空講"
      },
      "expansion": "Sino-Korean word from 空講",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 空講.",
  "forms": [
    {
      "form": "gonggang",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "空講",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "空講"
      },
      "expansion": "공강 • (gonggang) (hanja 空講)",
      "name": "ko-noun"
    },
    {
      "args": {
        "1": "ko",
        "2": "college slang"
      },
      "expansion": "(university slang)",
      "name": "tlb"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "59 41",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "langcode": "ko",
          "name": "Universities",
          "orig": "ko:Universities",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "break between lectures"
      ],
      "id": "en-공강-ko-noun-UjSj2qHq",
      "links": [
        [
          "break",
          "break"
        ],
        [
          "lecture",
          "lecture"
        ]
      ],
      "synonyms": [
        {
          "alt": "空講時間",
          "word": "공강 시간"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "langcode": "ko",
          "name": "Universities",
          "orig": "ko:Universities",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "day with no lectures"
      ],
      "id": "en-공강-ko-noun-D0YvAise",
      "links": [
        [
          "day",
          "day"
        ],
        [
          "lecture",
          "lecture"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ko̞ŋɡa̠ŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "공강"
    },
    {
      "other": "[공강]"
    }
  ],
  "word": "공강"
}

{
  "categories": [
    "Korean entries with incorrect language header",
    "Korean lemmas",
    "Korean nouns",
    "Korean student slang",
    "Korean terms with IPA pronunciation",
    "Korean terms with redundant script codes",
    "Korean terms with redundant transliterations",
    "Pages with 1 entry",
    "Pages with entries",
    "Sino-Korean words",
    "ko:Universities"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "空講"
      },
      "expansion": "Sino-Korean word from 空講",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 空講.",
  "forms": [
    {
      "form": "gonggang",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "空講",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "空講"
      },
      "expansion": "공강 • (gonggang) (hanja 空講)",
      "name": "ko-noun"
    },
    {
      "args": {
        "1": "ko",
        "2": "college slang"
      },
      "expansion": "(university slang)",
      "name": "tlb"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "break between lectures"
      ],
      "links": [
        [
          "break",
          "break"
        ],
        [
          "lecture",
          "lecture"
        ]
      ],
      "synonyms": [
        {
          "alt": "空講時間",
          "word": "공강 시간"
        }
      ]
    },
    {
      "glosses": [
        "day with no lectures"
      ],
      "links": [
        [
          "day",
          "day"
        ],
        [
          "lecture",
          "lecture"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ko̞ŋɡa̠ŋ]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "공강"
    },
    {
      "other": "[공강]"
    }
  ],
  "word": "공강"
}