crumb [-s] n
- Piece; inner part of a loaf, as opposed to the outer part; [metaphor] sacrament morsel; [fig.] word; phrase; line of verse.
- Fragment; particle; small piece of food.
- Thing; [fig.] price; reciprocal gesture; repayment of kindness.
- Stone; chip; fleck; flake; piece of rock; grain of sand.
- Scrap; left-over; [fig.] minimal subsistence; insufficient meal; beggar's portion.
- Drop; small amount.