(idiomatic) An overly mild punishment; a reprimand. / Used other than figuratively or idiomatically: see slap, wrist.

(idiomatic) On the telephone.

(transitive) to rely on, trust, or expect

To drive fast; to step on the accelerator. / (idiomatic) To act quickly.

(idiomatic) Praise, congratulations.

Alternative spelling of on hand

Situated on the same chip (of silicon etc)

(of beer, etc.) Available directly from the barrel by way of a tap. / (by extension) Readily available; ready for use in whatever quantity is desired. / On an agenda, planned, expected.

A short marker (a pip in audio or an asterisk in data) that signals a precise instant in time

(Britain, idiomatic, informal) Successively, in succession; one after the other. / (idiomatic, informal) Continually busy. / (UK, slang) on the run; fleeing