canapé

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A cracker or a small, thin piece of bread or toast spread with cheese, meat, or relish and served as an appetizer.

from the GNU version of the Collaborative International Dictionary of English.

• noun A sofa or divan.
• noun (Cookery) an appetizer consisting of a thin slice or piece of bread toasted or fried in butter or oil, on which anchovies, mushrooms, caviar, cheese, or other savory foods, are served.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An hors d’oeuvre, a bite size slice open-faced sandwich made of thin bread or toast topped with savory garnish.
• noun A piece of furniture similar to a couch or settee, an elegant sofa.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an appetizer consisting usually of a thin slice of bread or toast spread with caviar or cheese or other savory food