Something unspecified or indeterminate, or whose name is forgotten or immaterial.

(idiomatic) A theatrical production, film, or program on radio or television depicting adventures of characters in the American Old West; a western.

(law) In many legal systems, the highest-level court of appeal in procedural matters, which is asked to squash a verdict but then refers the case back for a new court case at the previous level.

(mathematics, physics) A point, near, or within a body at which the object's mass can be assumed to be concentrated; it coincides with the centroid for a body of uniform density, and with the centre of gravity in a uniform gravitational field.

to walk out of a place stealthily

Any New World owl of genus Megascops. / (UK) A common barn owl, of species Tyto alba, found almost worldwide. / The mistle thrush (Turdus viscivorus).

(geometry) Any of one or more lines about which a geometric figure is symmetric

An amount or percentage of a server's tips that the server shares, either voluntarily or as mandated in a tip sharing or tip pooling agreement, with other employees such as bussers, bartenders, back waiters and host/hostesses whose job duties indirectly assist the server.

For a person who receives tips in the course of their work, to provide a percentage of tips to certain co-workers who support the work done by the waiter.

(idiomatic, slang, sometimes humorous) Euphemistic variant of piss off.