a·muse-bouche 
(ə-myzbsh)
(ə-myzbsh)n. pl. a·muse-bouches (-bsh) or amuse-bouche
A complimentary, bite-sized portion of food served before a meal or between courses in a restaurant.
[French : amuse, third person present indicative of amuser, to amuse (from Old French, to cause to muse; see AMUSE) + bouche, mouth (from Latin bucca, cheek).]