(paper) A flat sheet of writing paper, usually 17 by 24 inches.

A central vertical supporting post used in architecture and bridge as well as in aircraft and ship design.

A box in which post can be left by a sender to be picked up by a courier or postman (postal worker). / A box or slot into which a courier or postal worker puts letters for a recipient to collect.

plural of post box

(archaeology) An infilled soil cavity interpreted to be the result of a humanmade post that was once embedded in the ground.

plural of post mortem

A postal service involving the shipping of parcels.

After the fact; too late.

plural of post-increment

Third-person singular simple present indicative form of post-increment