sushi definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a Japanese dish consisting of small cakes of cold cooked rice flavored with vinegar, typically garnished with strips of raw or cooked fish, cooked egg, vegetables, etc.
sushi definition by American Heritage Dictionary
Cold cooked rice dressed with vinegar that is shaped into bite-sized pieces and topped with raw or cooked fish, or formed into a roll with fish, egg, or vegetables and wrapped in seaweed.