A small fragment or crumb of bread; esp. (in plural) crumbs produced by crumbling or pulverizing soft or dry bread, used in cooking as a thickening…

concrete. In plural. Small particles produced by rasping; (Cookery) fine dry breadcrumbs produced by grating the crust of baked or stale bread.

Breadcrumbs, typically mixed with other ingredients, used to cover food before frying, grilling, or baking to produce a crisp outer coating; a…

In Japanese cookery: breadcrumbs, esp. dried and pre-packaged long-life bread flakes prepared from bread from which the crust has been removed.