Parlay

Verb

 * 1)  To carry forward the stake and winnings from a bet onto a subsequent wager.
 * 2)  To increase.
 * 3) To speak about peace. To have peace talks.  See also:  pow-wow.

Noun

 * 1) Such a bet or series of bets.

Thesaurus
add to, aggrandize, amplify, ante, ante up, augment, back, bet, bet on, book, boost, broaden, build, build up, call, chunk, cover, enlarge, exalt, expand, extend, fade, fatten, fill out, gamble, handbook, hazard, hike, hike up, increase, inflate, jack up, jump up, lay, lay a wager, lay down, lengthen, make a bet, maximize, meet a bet, pass, play, play against, plunge, punt, put up, pyramid, raise, see, shot, stake, stand pat, thicken, up, wager

Etymology
Coined ca. 1828 as a verb, used as a noun ca. 1904.