Dictionary definition · crumb
noun
- a very small quantity of something"he gave only a crumb of information about his plans"
- a person who is deemed to be despicable or contemptible"only a rotter would do that"
- small piece of e.g. bread or cake
verb
- coat with bread crumbs"crumb a cutlet"
- break into crumbs
- remove crumbs from"crumb the table"
Source: Open English WordNet (CC BY 4.0).