a long rod or rigid piece of wood, metal, or similar material, typically used as an obstruction, fastening, or weapon.

a counter across which alcoholic drinks or refreshments are served.

a barrier or restriction to an action or advance.

a measure of music or the time of a piece of music.

a partition in a courtroom or legislative assembly, now usually notional, beyond which most people may not pass and, in court, at which an accused person stands.