Gratuity
Origin
From Old French gratuite (French gratuité), from Medieval Latin gratuitas ("a free gift"), from Latin gratuitus ("freely given, free"); see gratuitous.
Full definition of gratuity
Noun
gratuity
(plural gratuities)- A reward, service, or payment provided freely, without obligation.
- (common usage) An additional charge placed for services rendered; see also: service fee.