1. a sum of money given to someone for services rendered; a tip
2. a payment made to an employee upon leaving a job, especially after long service
Usage: British

Examples

• The restaurant automatically adds an 18% gratuity for large parties.
• She left a generous gratuity for the excellent service.
• The hotel porter expected a small gratuity for carrying the luggage.
• After thirty years with the company, he received a substantial gratuity upon retirement.
• Many servers depend on gratuities to supplement their wages.
• The cruise line suggests a daily gratuity of $12 per passenger.