穴

Proverb

nothing ventured, nothing gained; you will not get the tiger cub without entering the tiger's den

one hole

toilet bowl (for both urination and defecation)

effective point for moxibustion

Colloquial

one-woman man

two holes

toilet with separate chambers for urine and faeces

Slang; Word usually written using kana alone; Usu. written as ニケツ

riding double (on a bicycle, motorcycle, etc.)

pinhole

dragon's den

auspicious place for a temple, town, etc. to be built (feng shui)

acupuncture point

volcanic cave traditionally said to be inhabited

spotted garden eel (Heteroconger hassi)

pit dwelling; dugout

same hole (in which to live)

gang; group

Colloquial

flat broke; stone broke; penniless

piercing (esp. in the ear); piercing hole

to suddenly assume an antagonistic attitude; to suddenly become defiant; to turn aggressive (in one's manner)

to moon; to point one's naked buttocks at someone; to give someone the brown-eye

buttonhole

かいろうどうけつ only; Yojijukugo

happy life partnership; living faithfully together till death

Word usually written using kana alone

Venus's flower basket (Euplectella aspergillum)

pit dwelling; dugout

Okuninushi; deity of magic and medicine later viewed as equivalent to Daikokuten and celebrated at Izumo Grand Shrine

anus; asshole; arsehole

cave from which cold wind blows

gold mine

provider of funds; financial supporter; patron

rich person

rathole; mousehole

grave

pressure points (e.g. for application of moxa)

Martial arts

vulnerable body cavities

round hole