Defn: With post horses; hence, in haste; as, to travel post.

POST-ABDOMEN
Post`-ab*do"men, n. Etym: [Pref. post- + abdomen.] (Zoöl.)

Defn: That part of a crustacean behind the cephalothorax; — more commonly called abdomen.

POSTABLE
Post"a*ble, a.

Defn: Capable of being carried by, or as by, post. [Obs.] W. Montagu.

POSTACT
Post"act`, n.

Defn: An act done afterward.

POSTAGE
Post"age, n.

Defn: The price established by law to be paid for the conveyance of a letter or other mailable matter by a public post. Postage stamp, a government stamp required to be put upon articles sent by mail in payment of the postage, esp. an adhesive stamp issued and sold for that purpose.

POSTAL
Post"al, a. Etym: [Cf. F. postal.]