(idiomatic) The technology of making products from leather.

A knowledge of how to make something work without deeper theoretical understanding of why it works.

(idiomatic, euphemistic) A female prostitute. / (rare) Used other than figuratively or idiomatically: see working, girl.

(politics) A majority big enough for the party or faction in power to carry through most of its legislative programme without the risk of parliamentary defeat.

(aerospace) The total mass of the burnt fuel etc. ejected from a rocket to provide thrust.

The temporary name of a product or project (such as a film or video game), when under development; often changed when released.

(nautical) Any of the sails which are used in most kinds of weather: mainsail, foresail, jib and/or mizzen. Sometimes referred to as the lowers.

(cynology) Any breed of dog developed primarily to assist humans in performing tasks, such as farming, controlling livestock, law enforcement, or assisting the blind.

Of or pertaining to the working class; suggestive of the working class in manner of speaking, outlook, appearance or other qualities.

The environment in which one is employed, or in which one is required to work.