restaurant res·tau·rant UK/ˈɹɛst(ə)ɹɒnt/ US/ˈɹɛst(ə)ɹɒ̃/ common noun 1. a building where people go to eat Synonymseating houseeating place Related words Word family restauranterrestaurant attendantrestaurant chain Broader terms building Narrower terms bistrobrasserieprewpubcafecafeteriacanteendiner Parts restaurant chain WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.