(chiefly Britain) someone who delivers the post (mail) to, and/or collects the post from, residential or commercial addresses, or from public mailboxes.

A surname.

Synonym of post office (“party game involving the exchange of kisses”) / A double knock at the door to indicate the delivery of letters or telegrams.

plural of Chinese postman problem

(graph theory) The problem of finding the shortest closed path or circuit that visits every edge of a (connected) undirected graph.

Following manipulation

Posterior to the lower jaw.