Defn: Belonging to the post office or mail service; as, postal arrangements; postal authorities. Postal card, or Post card, a card sold by the government for transmission through the mails, at a lower rate of postage than a sealed letter. The message is written on one side of the card, and the direction on the other. — Postal money order. See Money order, under Money. — Postal note, an order payable to bearer, for a sum of money (in the United States less than five dollars under existing law), issued from one post office and payable at another specified office. — Postal Union, a union for postal purposes entered into by the most important powers, or governments, which have agreed to transport mail matter through their several territories at a stipulated rate.
POSTANAL
Post*a"nal, a. Etym: [Pref. post- + anal.] (Anat.)
Defn: Situated behind, or posterior to, the anus.
POSTAXIAL
Post*ax"i*al, a. Etym: [Pref. post- + axial.] (Anat.)
Defn: Situated behind any transverse axis in the body of an animal; caudal; posterior; especially, behind, or on the caudal or posterior (that is, ulnar or fibular) side of, the axis of a vertebrate limb.
POSTBOY
Post"boy`, n.
1. One who rides post horses; a position; a courier.
2. A boy who carries letters from the post.
POST-CAPTAIN
Post"-cap`tain, n.
Defn: A captain of a war vessel whose name appeared, or was "posted," in the seniority list of the British navy, as distinguished from a commander whose name was not so posted. The term was also used in the United States navy; but no such commission as post-captain was ever recognized in either service, and the term has fallen into disuse.