(nautical, dated, now offensive) A bollard made from an old cannon. / (geology, archaic, colloquial, now offensive) A geode. / (now offensive) A coneflower.

A surname.

Something that is posited; a postulate. / (aviation) Abbreviation of position.

(nautical) Any of several small bar magnets placed and adjusted within a ship's binnacle to correct for the effects of other magnetic influences in the ship.