火口

Japanese

Etymology 1

Kanji in this term
火	口
か Grade: 1	こう Grade: 1
on'yomi

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

Noun

火(か)口(こう) • (kakō) ^{←くわこう (kwakou)?}

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

Synonyms

• (crater): 噴火口(ふんかこう) (funkakō)

Derived terms

Derived terms

• 火口丘(かこうきゅう) (kakōkyū)
• 火口原(かこうげん) (kakōgen)
• 火口原湖(かこうげんこ) (kakōgenko)
• 火口湖(かこうこ) (kakōko)
• 火口港(かこうこう) (kakōkō)
• 火口谷(かこうこく) (kakōkoku)
• 火口瀬(かこうせ) (kakōse)
• 火口壁(かこうへき) (kakōheki)
• 火口瀬(かこうらい) (kakōrai)
• 中央火口丘(ちゅうおうかこうきゅう) (chūōkakōkyū)
• 爆裂火口(ばくれつかこう) (bakuretsukakō)

Etymology 2

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

Noun

火(ひ)口(ぐち) • (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

Synonyms

• (origin of a fire): 火元(ひもと) (himoto)
• (crater): 噴火口(ふんかこう) (funkakō)

Etymology 3

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

Noun

火(ほ)口(くち‎) • (hokuchi) 

1. tinder
2. a place for setting a fire

Synonyms

• (tinder): 火糞(ほくそ) (hokuso)

Derived terms

Derived terms

• 火口金(ほくちがね) (hokuchigane)
• 山火口(やまぼくち) (yamabokuchi)
• 火口箱(ほくちばこ) (hokuchibako, “tinderbox”)