plural of post chaise

A post or stake indicating by its height or by marks on it the grade of a railroad, highway, embankment, etc. at that point.

after one's time in the House, typically the House of Representatives

a lookout or vantage point

To send away through the postal service; to mail. / (archaic) To put off; to delay.

The post of a canal's lock gate which abuts against the wall.

(military) The headquarters of a given unit; the operational base of a unit's commanding officer.

(engineering) A bearing for a revolving shaft, adapted to be fastened to a post.

(nautical) A strong post resting on the keelson and supporting a beam of the deck. / (nautical) A temporary or movable pillar carrying a leading block or pulley for various purposes.

The use of homing pigeons to carry messages. / (UK, Oxford University slang) The university's internal mail system.