Definition of "Crumb" :
noun: small piece of e.g. bread or cake
noun: a person who is deemed to be despicable or contemptible
noun: a very small quantity of something
"He gave only a crumb of information about his plans."
verb: remove crumbs from
"Crumb the table."
verb: break into crumbs
verb: coat with bread crumbs
"Crumb a cutlet."