Real Dictionary

waitress
countable noun: A waitress is a woman who works in a restaurant, serving people with food and drink.
verb: A woman who waitresses works in a restaurant serving food and drink.

waitress in American English
a woman or girl who waits on tables, as in a restaurant
to work as a waitress
intransitive verb: to work or serve as a waitress
noun: a woman who waits on tables, as in a restaurant

waitress in British English
noun: a woman who serves at table, as in a restaurant
verb: to act as a waitress

waitress in Hospitality
noun: A waitress is a woman who works in a restaurant, serving people food and drink.