火口

Compound of 火 (ka, “fire”) +‎ 口 (kō, “hole”).

• On’yomi: Kan’on
  • (Tokyo) かこー [kàkóó] (Heiban – [0])[1][2]
  • IPA^(key): [ka̠ko̞ː]

火口 (hiragana かこう, rōmaji kakō, historical hiragana くわこう)

1. (volcanology) a crater
2. the firedoor of a boiler

• (crater): 噴 (ふん)火 (か)口 (こう) (funkakō)

Compound of 火 (hi, “fire”) +‎ 口 (kuchi, “hole”). The kuchi changes to guchi as an instance of rendaku (連濁).

• Kun’yomi
  • (Tokyo) ひ​ぐち [híꜜgùchì] (Atamadaka – [1])[1][2]
  • IPA^(key): [çiɡɯ̟ᵝt͡ɕi]

火口 (hiragana ひぐち, rōmaji higuchi)

1. the origin of a fire
2. an opening for ignition
3. the nozzle of a welder, etc
4. the opening through which the fire enters the barrel in a hinawajū
5. (volcanology) a crater

• (origin of a fire): 火元 (ひもと) (himoto)
• (crater): 噴 (ふん)火 (か)口 (こう) (funkakō)

Compound of 火 (ho, “fire”) +‎ 口 (kuchi, “hole”).

• Kun’yomi
  • (Tokyo) ほくち [hòkúchí] (Heiban – [0])[1]
  • (Tokyo) ほくち​ [hòkúchíꜜ] (Odaka – [3])[1]
  • IPA^(key): [ho̞kɯ̟ᵝt͡ɕi]

火口 (hiragana ほくち, rōmaji hokuchi)

1. tinder
2. a place for setting a fire

• (tinder): 火糞 (ほくそ) (hokuso)