Webster's Revised Unabridged Dictionary · 1913

Postman

Postman , noun

1.
A post or courier; a letter carrier.
2.
(Eng. Law) One of the two most experienced barristers in the Court of Exchequer, who have precedence in motions; -- so called from the place where he sits. The other of the two is called the tubman. — Whishaw