Etymology
Advertisement

zwieback (n.)

1894, from German Zweiback "biscuit," literally "twice-baked," from zwei "two, twice" + backen "to bake;" loan-translation of Italian biscotto (see biscuit).

updated on December 30, 2012

Advertisement
Advertisement
Definitions of zwieback from WordNet

zwieback (n.)
slice of sweet raised bread baked again until it is brown and hard and crisp;
Synonyms: rusk / Brussels biscuit / twice-baked bread
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.