rusk Meaning, Definition & Usage

  1. noun slice of sweet raised bread baked again until it is brown and hard and crisp
    zwieback; Brussels biscuit; twice-baked bread.

WordNet

Rusk noun
Etymology
Sp. rosca de mar sea rusks, a kind of biscuit, rosca properly meaning, a screw, spiral.
Definitions
  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.

Webster 1913