Twice-baked bread

• Literally, "twice-baked"
• Rusk
• Slice of sweet raised bread baked again until it is brown and hard and crisp
• Hard bread
• Rebaked bread slice
• Dry, crisp bread

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
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.

WordNet Word definitions in WordNet
n. slice of sweet raised bread baked again until it is brown and hard and crisp [syn: rusk , Brussels biscuit , twice-baked bread ]

Wiktionary Word definitions in Wiktionary
n. 1 a usually sweetened bread enriched with eggs that is baked and then sliced and toasted until dry and crisp 2 a teething food for toddler children

Wikipedia Word definitions in Wikipedia
Zwieback is a form of rusk eaten in Scandinavia, Germany, Austria, France, Switzerland, Italy, Slovenia, and Greece. It is a type of crisp, sweetened bread , made with eggs and baked twice. It originated in East Prussia . The Mennonites brought Zwieback ...