chicken fillet 2020-06-05T00:44:24Z A butchery cut of chicken that is typically boneless. http://orcid.org/0000-0002-8844-9165 A specific cut of chicken meat that lies under the main portion of the breast just above the ribcage around the center of the sternum. Each fillet is separated from the main breast by filament. fillet of chicken animal fillet butchery cut of chicken ready for release