"Complimentary appetizers" means free or included small dishes of food that are typically served before the main meal at a restaurant or event. Full definition
Enjoy complimentary appetizers during the first hour from 7:00 pm to 8:00 pm. (fb101.com)
It has daily breakfast, as well as complimentary appetizers and wine at its evening reception. (frequentbusinesstraveler.com)
A popular communal table offers plenty of space to mingle, meet and conduct business or savor complimentary appetizers and the daily hot buffet breakfast. (breakingtravelnews.com)