"구원투수" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "구원(救援)",
        "2": "relief",
        "3": "투수(投手)",
        "4": "pitcher",
        "comp": "y"
      },
      "expansion": "Sino-Korean word from 구원(救援) (guwon, “relief”) + 투수(投手) (tusu, “pitcher”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 구원(救援) (guwon, “relief”) + 투수(投手) (tusu, “pitcher”).",
  "forms": [
    {
      "form": "guwontusu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "救援投手",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "救援投手"
      },
      "expansion": "구원투수 • (guwontusu) (hanja 救援投手)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with long vowels in the first syllable",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Baseball",
          "orig": "ko:Baseball",
          "parents": [
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: 선발투수(先發投手) (seonbaltusu)"
        }
      ],
      "glosses": [
        "relief pitcher"
      ],
      "id": "en-구원투수-ko-noun-RdYMsqot",
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "relief pitcher",
          "relief pitcher"
        ]
      ],
      "raw_glosses": [
        "(baseball) relief pitcher"
      ],
      "related": [
        {
          "roman": "mamuritusu",
          "word": "마무리투수(投手)"
        }
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈku(ː)wʌ̹n tʰusʰu]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "구(ː)원투수"
    },
    {
      "other": "[구(ː)원투수]"
    }
  ],
  "word": "구원투수"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "구원(救援)",
        "2": "relief",
        "3": "투수(投手)",
        "4": "pitcher",
        "comp": "y"
      },
      "expansion": "Sino-Korean word from 구원(救援) (guwon, “relief”) + 투수(投手) (tusu, “pitcher”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 구원(救援) (guwon, “relief”) + 투수(投手) (tusu, “pitcher”).",
  "forms": [
    {
      "form": "guwontusu",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "救援投手",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "救援投手"
      },
      "expansion": "구원투수 • (guwontusu) (hanja 救援投手)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "roman": "mamuritusu",
      "word": "마무리투수(投手)"
    }
  ],
  "senses": [
    {
      "categories": [
        "Korean compound terms",
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with long vowels in the first syllable",
        "Korean terms with redundant script codes",
        "Korean terms with redundant transliterations",
        "Pages with 1 entry",
        "Pages with entries",
        "Sino-Korean words",
        "ko:Baseball"
      ],
      "examples": [
        {
          "text": "Coordinate term: 선발투수(先發投手) (seonbaltusu)"
        }
      ],
      "glosses": [
        "relief pitcher"
      ],
      "links": [
        [
          "baseball",
          "baseball"
        ],
        [
          "relief pitcher",
          "relief pitcher"
        ]
      ],
      "raw_glosses": [
        "(baseball) relief pitcher"
      ],
      "topics": [
        "ball-games",
        "baseball",
        "games",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈku(ː)wʌ̹n tʰusʰu]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "구(ː)원투수"
    },
    {
      "other": "[구(ː)원투수]"
    }
  ],
  "word": "구원투수"
}