crumb

noun

• 1a small fragment of bread, cake, or cracker.
• a very small amount of something:the budget provided few crumbs of comfort
• the soft inner part of a loaf of bread.
• a dessert topping made of brown sugar, butter, flour, and spices and crumbled over a pie or cake: [as modifier]:apple crumb pie
• (usually crumb rubber) granulated rubber, made from recycled tires.

• 2 informal, chiefly North American an objectionable or contemptible person:he’s an absolute crumb

verb

• cover (food) with breadcrumbs: (as adjective crumbed)crispy crumbed mushrooms with garlic dip