What does the word crumb mean?

Usage examples for crumb

  1. They finished the last tiny crumb, and stood up. – Captain Jim by Mary Grant Bruce
  2. There are places where you see him actively in pursuit of one, as when Markheim stops the clock with 'an interjected finger, ' or when John Silver's half- shut, cunning, and cruel eye sparkles 'like a crumb of glass. – My Contemporaries In Fiction by David Christie Murray
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