(military, American spelling, of a device [usually a munition]) Intended to pierce armor.

Alternative form of pièce de résistance

Any structure at the end of another. / (anatomy) The axoneme on the flagella of a spermatozoon.

An unusual item, such as a painting, or a tabletop knick-knack which encourages comment from visitors, and so helps to break the ice.

(medicine) A rare autosomal dominant disorder of melanocyte development, whose common characteristics include a congenital white forelock, scattered normally-pigmented and hyperpigmented macules, and a triangular depigmented patch on the forehead.

(idiomatic, mildly vulgar) Synonym of piece of shit

(idiomatic, derogatory, colloquial) Used to tell someone to go away, or that their request will not be met.

(colloquial, often humorous, rhetorical question) Used as a response to a question such as "How long will it take?" or "How big is it?" when the length or size is unknown, infinite, variable, or relative.

(US, idiomatic, colloquial, slang) Alternative form of piece of ass

(idiomatic, informal) A chance to find out something interesting about someone. / (idiomatic, informal) A chance to fight with someone.