名詞 gratuity:

1. a relatively small amount of money given for services rendered (as by a waiter)
   同義詞：tip, pourboire, baksheesh, bakshish, bakshis, backsheesh
2. an award (as for meritorious service) given without claim or obligation

1. A gift or gratuity, especially one given at Christmas.
   禮物禮物或賞金，尤指在圣誕節(jié)時給予的禮物
2. The total cost, excluding gratuity, be￡1520.00 per person for the6-night trip.
   每人６日游的總消費是１５２０英鎊，不含小費。
3. Money given as a gratuity; a tip.
   賞錢，小費出于感激而給的錢; 小費
4. A tip; a gratuity.
   小費; 賞錢

gra.tu.i.ty

n.（名詞）
【復(fù)數(shù)】 gra.tu.i.ties
A favor or gift, usually in the form of money, given in return for service.See Synonyms at bonus
賞錢，小費：當?shù)玫椒?wù)所給的恩惠或禮物，通常以錢的形式給予參見 bonus

來源：
French gratuité
法語 gratuité
from Old French gratuite
源自 古法語 gratuite
from Medieval Latin gr3tuot3s
源自 中世紀拉丁語 gr3tuot3s
probably from Latin gr3tuotus [voluntary] * see gratuitous
可能源自 拉丁語 gr3tuotus [自愿的] *參見 gratuitous