Abbreviation of classify.

Abbreviation of classification.

The situation where two or more contactless payment cards are simultaneously detected by a card reader, possibly resulting in the wrong card, or more than one card, being charged.

(music) A clarinet similar to the usual soprano clarinet but longer and with additional keys to enable playing several additional lower notes.

(education) Occurring while a class or lesson is taking place.

(Internet slang, vulgar) The brief sense of calm and mental acuity experienced by a man after ejaculation.

An exercise class using stationary bicycles

(idiomatic) To see; to lay eyes on.

Alternative form of ironclad

(transitive, informal) To make more classy or sophisticated