Used other than figuratively or idiomatically: see rabbit, hole. (The entrance to) a rabbit warren or burrow. / (usually with article) A bizarre world, where everyday rules do not apply.

(computer security) A security vulnerability in a computer system.

Alternative form of black hole

To punch holes using a hole punch. / (computing, networking) To create a NAT, WAN-to-LAN port forwarding on the router.

A tool that is used to make holes in stationery for ease of filing.

(music) A sound hole, shaped like a lowercase f, through the top surface of a string instrument.

(Britain) A traditional English dish of roasted sausages (or formerly other kinds of meat) in batter.

(intransitive) To go into a hole, to shelter in a hole. / (originally US, intransitive) To hide.

Alternative spelling of gunkhole

(poker, chiefly in the plural) A playing card, dealt face down, that the holder need not reveal until the showdown / (by extension) Something held in reserve, or concealed, until it is useful