ひぐち
burner; nozzle; origin of a fire
・fire
・mouth
かこう
(volcanic) crater;caldera
ほくち
tinder;touchwood;charcloth
かこうきゅう
volcanic cone
かこうげん
crater floor;crater basin
かこうげんこ
crater lake
かこうへき
crater wall
かこうこ
ほくちばこ
tinderbox
burner (of a boiler)