Zwieback

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Zwieback \Zwie"back`\ (tsv[=e]"b[aum]k`), n. [G., fr. zwie- two,
     twice (see {Twice}) + backen to bake.]
     A kind of biscuit or rusk first baked in a loaf and
     afterwards cut and toasted.
     [Webster 1913 Suppl.]



From WordNet (r) 2.0 [wn]:

  zwieback
       n : slice of sweet raised bread baked again until it is brown
           and hard and crisp [syn: {rusk}, {Brussels biscuit}, {twice-baked
           bread}]