post 2 
(pōst)
(pōst)n.
1.
a. A military base.
b. The grounds and buildings of a military base.
2. A local organization of military veterans.
3. Either of two bugle calls in the British Army, sounded in the evening as a signal to retire to quarters.
4. An assigned position or station, as of a guard or sentry.
5. Basketball A position usually taken by the center close to the basket or below the foul line, serving as the focus of the team's offense.
6. A position of employment, especially an appointed public office.
7. A place to which someone is assigned for duty.
8. A trading post.
tr.v. post·ed, post·ing, posts
Phrasal Verb: 1. To assign to a specific position or station: post a sentry at the gate.
2. To appoint to a naval or military command.
3. To put forward; present: post bail.
post up Basketball
To take a position below the foul line, usually with one's back to the basket to receive and make passes or to turn quickly to shoot.
[French poste, from Italian posto, from Old Italian, from Vulgar Latin *postum, from Latin positum, neuter past participle of pōnere, to place; see apo- in the Appendix of Indo-European roots.]