Rusk

Part of speech: noun (n.)

1. A kind of light, soft bread made with yeast and eggs, often toasted or crisped in an oven; or a kind of sweetened biscuit.

2. A kind of light, hard cake or bread, as for stores Smart.

3. Bread or cake which has been made brown and crisp, and afterwards grated, or pulverized in a mortar.