The Collaborative International Dictionary of English v.0.48:

Ante- \An"te-\ ([a^]n"t[-e]-).
   A Latin preposition and prefix; akin to Gr. 'anti`, Skr.
   anti, Goth. and-, anda- (only in comp.), AS. and-, ond-,
   (only in comp.: cf. Answer, Along), G. ant-, ent- (in
   comp.). The Latin ante is generally used in the sense of
   before, in regard to position, order, or time, and the Gr.
   'anti` in that of opposite, or in the place of.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ante \An"te\, n. (Poker Playing)
   Each player's stake, which is put into the pool before (ante)
   the game begins.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ante \An"te\, v. t. & i.
   To put up (an ante).
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

44 Moby Thesaurus words for "ante":
   ahead, ante up, back, beforehand, bet, bet on, book, call, chunk,
   cover, ere, fade, fore, forward, gamble, hand over, handbook,
   hazard, in advance, in advance of, lay, lay a wager, lay down,
   make a bet, meet a bet, parlay, pass, pay over, play, play against,
   plunge, pot, preceding, previous, prior to, punt, put down, put up,
   see, shot, stake, stand pat, to, wager