Meanings

boring (a hole)

pierced

spinycheek sleeper (Eleotris oxycephala)

splendid garden eel (Gorgasia preclara)

to penetrate a body (e.g. with a spear or bullet)

bell-mouth spillway

blowhole

out of the frying pan into the fire

dragon's den

bear that hasn't entered hibernation

perforated coin

posthole (archaeology)

double penetration

two holes

cluster of Kofun-period graves

tunnel tomb (Kofun period)

storage pit (esp. Jomon to Yayoi periods)

the seven orifices of the head (eyes, nostrils, ear canals, mouth)

piercing (esp. in the ear)

(staring) piercingly