D defs.my
Entry 1 sense Webster, 1913

Zwieback

/(tsvē"bäk`)/ · Zwie·back · IPA
01 n. A kind of biscuit or rusk first baked in a loaf and afterwards cut and toasted.
  1. 1.
    A kind of biscuit or rusk first baked in a loaf and afterwards cut and toasted.