(idiomatic) On the way; soon to arrive.

(automotive) An A-pillar.

A post-it note.

(newspapers) A common name (often in combination) for a newspaper or periodical, such as The Washington Post or the New York Post. / A surname. / A village in Iran / An unincorporated community in Oregon

(medicine, informal) A post mortem (investigation of body's cause of death).

(computing) To successfully perform a power-on self-test.

(film, informal) Post-production.

A long dowel or plank protruding from the ground; a fencepost; a lightpost. / (construction) A stud; a two-by-four. / A pole in a battery.

(obsolete) Each of a series of men stationed at specific places along a postroad, with responsibility for relaying letters and dispatches of the monarch (and later others) along the route.

With the post, on post-horses; by a relay of horses (changing at every staging-post); hence, express, with speed, quickly. / Sent via the postal service.