C'est une assiette ?
You say dinner plate in French like this:Plat de dîner
papel
sur la plaque
une petite assiette
une belle assiette.
the plate number / license plate is 'une plaque d'immatriculation' in French.
they cut it up and put it on a plate and say dinner is served
'une assiette' its pronounced OON AH SEE ATE
un canot, un esquif, un bâteau à rames, une plate
qwassvdholea la maitre d'hotel
they put back their fork on the right-hand of their plate, say that they have had enough to eat, or say something nice to the cook about the menu.
une assiette is a plate in French.