A small fragment of bread, cake, or other baked goods. She brushed the crumbs off the table after breakfast.
A small amount or portion of something. He was grateful for every crumb of information he could gather about his ancestors.
A worthless or contemptible person. He called the thief a crumb for stealing from the elderly.
The soft inner portion of bread or cake as distinguished from the crust. The baker examined the loaf's crumb to ensure it was light and airy.