The Collaborative International Dictionary of English v.0.48:
Restaurant \Res"tau*rant\ (r?s"t?*r?nt;277), n. [F., fr. restaurer. See Restore.] An eating house. [1913 Webster]WordNet (r) 3.0 (2006):
restaurant n 1: a building where people go to eat [syn: restaurant, eating house, eating place, eatery]