穴

cave dwelling; troglodytism

Slang

men who have had sex with the same woman; hole brothers

cave dweller; caveman

dark horse (candidate)

cheese with holes in it (e.g. Swiss, Emmenthal)

snagging eels; ice fishing

small gate in a mud or stone wall

Shogi

anaguma castle (defensive opening)

perforated coin

(hole) punch; stiletto

very old type of kiln made by digging a hole in the side of a hill

digger wasp

perforated coin

crevice; aperture

European rabbit (Oryctolagus cuniculus)

bear that hasn't entered hibernation

Noun or verb acting prenominally

boring (a hole)

perforated ladle; slotted spoon

swiftlet

kanji "hole" radical at top

burrowing owl (Athene cunicularia)

paper punch

chuck-farthing (game of throwing coins in a hole); pitch-farthing

Japanese mud shrimp (Upogebia major)