名詞 wager:

1. the act of gambling
   同義詞：bet
2. the money risked on a gamble
   同義詞：stake, stakes, bet

動詞 wager:

1. stake on the outcome of an issue
   同義詞：bet, play
2. maintain with or as if with a bet
   同義詞：bet

1. A bet, wager, or other gambling venture.
   賭博、打賭或其它投機的冒險
2. I'll wager you that he won't come.
   我敢和你打賭他保證不會來。
3. You won't find better goods anywhere else, I'll wager.
   你到哪兒也找不到比這個更好的貨物，我敢打賭。
4. Would you care to have a small wager on the game?
   你愿意在這場比賽上下個小賭注嗎？

wa.ger

n.（名詞）
Games
【游戲】
An agreement under which each bettor pledges a certain amount to the other depending on the outcome of an unsettled matter.
賭注：為一件未決事情的結果，每一個賭者保證給別人一定數(shù)額的一個約定
A matter bet on; a gamble.
賭物：被賭的東西；賭物
Something staked on an uncertain outcome; a bet.See Synonyms at bet
賭金：在一個未決定的結果上賭的東西；賭博參見 bet
Archaic A pledge of personal combat to resolve an issue or a case.
【古語】 誓約：用私人決斗來解決一個問題或案子的誓約
v.（動詞）
wa.gered,wa.ger.ing,wa.gers
v.tr.（及物動詞）
To risk or stake (an amount or a possession) on an uncertain outcome; bet.
打賭：在一個未定的結果上下注或賭（一定數(shù)額或財產(chǎn)）；賭博
v.intr.（不及物動詞）
To make a bet.
賭博

來源：
Middle English
中古英語
from Anglo-Norman wageure
源自 英法語 wageure
from Old North French wagier [to pledge]
源自 古法國北方方言 wagier [發(fā)誓]
from wage [pledge] * see wage
源自 wage [誓約] *參見 wage

【引伸】
wa.gerer
n.（名詞）