noun
A hollow place or cavity; an excavation; a pit; a dent; a depression; a fissure.
An opening that goes all the way through a solid body, a fabric, etc.; a perforation; a rent.
(heading) In games.
(archaeology, slang) An excavation pit or trench.
(figuratively) A weakness; a flaw or ambiguity.
(physics) In semiconductors, a lack of an electron in an occupied band behaving like a positively charged particle.
(computing) A security vulnerability in software which can be taken advantage of by an exploit.
(slang, derogatory) A person's mouth.
(slang) Any bodily orifice, in particular the anus.
(Ireland, Scotland, vulgar) A vagina.
(informal, with "the") Solitary confinement, a high-security prison cell often used as punishment.
(slang) An undesirable place to live or visit.
(figurative) Difficulty, in particular, debt.
(graph theory) A chordless cycle in a graph.
(slang, rail transport) A passing loop; a siding provided for trains traveling in opposite directions on a single-track line to pass each other.
(Canada, US, historical) A mountain valley.
verb
(transitive) To make holes in (an object or surface).
(transitive, by extension) To destroy.
(intransitive) To go into a hole.
(transitive) To drive into a hole, as an animal, or a billiard ball or golf ball.
(transitive) To cut, dig, or bore a hole or holes in.
adjective
Obsolete spelling of whole.
Misspelling of whole.