(n.) A post on which a sign hangs, or on which papers are placed to give public notice of anything.

Samson post arrow baluster balustrade banister blaze compass needle direction direction post doorjamb doorpost finger post fist gatepost guide guideboard guidepost hand hitching post hour hand index index finger jamb king post lead lubber line milepost minute hand mullion needle pointer post signboard snubbing post stanchion standard stile upright