Definitions

1. noun

a small piece of food, especially bread, that has fallen off while eating

“She dropped a crumb on the floor.”

2. verb

to break or scatter into small pieces, especially food

“The bread crumbled in my hand.”

3. noun

a small piece of something, especially information or a secret

“He let the crumb drop that he was planning to retire.”

4. noun

a small amount or fragment of something

“There’s only a crumb of evidence to support the claim.”