"적신호" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "赤信號"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "赤",
        "2": "red",
        "3": "信號",
        "4": "signal"
      },
      "expansion": "Sino-Korean word from 赤信號, from 赤 (“red”) + 信號 (“signal”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 赤信號, from 赤 (“red”) + 信號 (“signal”).",
  "forms": [
    {
      "form": "jeoksinho",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "赤信號",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "赤信號"
      },
      "expansion": "적신호 • (jeoksinho) (hanja 赤信號)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "alt": "靑信號",
      "roman": "cheongsinho",
      "word": "청신호"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "red light"
      ],
      "id": "en-적신호-ko-noun-2ieL3oJu",
      "links": [
        [
          "red light",
          "red light"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "10 90",
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Korean terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "a sign indicating a dangerous situation"
      ],
      "id": "en-적신호-ko-noun-kqg5jTeQ",
      "links": [
        [
          "dangerous",
          "dangerous"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(figurative) a sign indicating a dangerous situation"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʌ̹kɕ͈inβo̞]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "적씬호"
    },
    {
      "other": "[적씬호]"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "roman": "ppalganbul",
      "word": "빨간불"
    }
  ],
  "word": "적신호"
}

{
  "categories": [
    "Korean entries with incorrect language header",
    "Korean lemmas",
    "Korean nouns",
    "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"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ko",
        "2": "赤信號"
      },
      "expansion": "",
      "name": "etymid"
    },
    {
      "args": {
        "1": "赤",
        "2": "red",
        "3": "信號",
        "4": "signal"
      },
      "expansion": "Sino-Korean word from 赤信號, from 赤 (“red”) + 信號 (“signal”)",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 赤信號, from 赤 (“red”) + 信號 (“signal”).",
  "forms": [
    {
      "form": "jeoksinho",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "赤信號",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hanja": "赤信號"
      },
      "expansion": "적신호 • (jeoksinho) (hanja 赤信號)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "alt": "靑信號",
      "roman": "cheongsinho",
      "word": "청신호"
    }
  ],
  "senses": [
    {
      "glosses": [
        "red light"
      ],
      "links": [
        [
          "red light",
          "red light"
        ]
      ]
    },
    {
      "glosses": [
        "a sign indicating a dangerous situation"
      ],
      "links": [
        [
          "dangerous",
          "dangerous"
        ],
        [
          "situation",
          "situation"
        ]
      ],
      "raw_glosses": [
        "(figurative) a sign indicating a dangerous situation"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[t͡ɕʌ̹kɕ͈inβo̞]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "hangeul": "적씬호"
    },
    {
      "other": "[적씬호]"
    }
  ],
  "synonyms": [
    {
      "roman": "ppalganbul",
      "word": "빨간불"
    }
  ],
  "word": "적신호"
}