Crumb

(n.) A small fragment or piece; especially, a small piece of bread or other food, broken or cut off.

Crumb - Other Definitions

(n.) A small fragment or piece; especially, a small piece of bread or other food, broken or cut off.
(n.) Fig.: A little; a bit; as, a crumb of comfort.
(n.) The soft part of bread.
(v. t.) To break into crumbs or small pieces with the fingers; as, to crumb bread.
(a.) EAsily crumbled; friable; brittle.