Meanings

cave dwelling

cellar

hole

conger eel (esp. the common Japanese conger, Conger myriaster)

to fill with holes

badger

(hole) punch

good place not many people know about

hole

cave dweller

filling (up) a hole

lion's den

perforations (e.g. in film)

being buried in the same grave

cave

grave (pit)

to dig one's own grave

pore (of the skin)

pitfall

pilot hole