Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A usually sweetened bread baked first as a loaf and later cut into slices and toasted.
Century Dictionary and Cyclopedia
- n. Slices of bread made from a rich dough, which have been heated in an oven until they are thoroughly dried and are of a deep yellow color.
Wiktionary
- n. a usually sweetened bread enriched with eggs that is baked and then sliced and toasted until dry and crisp
- n. a teething food for toddler children
GNU Webster's 1913
- n. A kind of biscuit or rusk first baked in a loaf and afterwards cut and toasted.
WordNet 3.0
- n. slice of sweet raised bread baked again until it is brown and hard and crisp
Etymologies
- From German Zwieback, from zwie- "twi-" + backen "bake" (twice-baked), a calque of Italian biscotto. (Wiktionary)
- German : zwie-, twice (from Middle High German zwi-, from Old High German; see dwo- in Indo-European roots) + backen, to bake (from Middle High German, from Old High German bahhan, backan). (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Carefully made toast, "zwieback," and stale bread may be given to young children.”
“Beginning at the beginning and learning from the ground up was a long course for Bibbs at the sanitarium, with milk and "zwieback" as the basis of instruction; and the months were many and tiresome before he was considered near enough graduation to go for a walk leaning on a nurse and a cane.”
“But Beethoven was intellectually brought up on Enlightenment zwieback, and while his curiosity kept him current with the likes of Schiller and Schlegel and Fichte and Herder, he always kept Immanuel Kant, the defender of rationalism as a particular light.”
“She smelled like sweat and powder and wet zwieback.”
“Duh, “zwieback,” shudda knowed it were 2 sumfings…I only tukked a semester of Choimin in gradumicationary skul.”
You had a baby. - Lolcats 'n' Funny Pictures of Cats - I Can Has Cheezburger?
“He can probably eat crusts of toast, zwieback, baby cookies, whatever, to get him used to the idea of solids.”
“A weekly 52-issue American comic is a dodgy idea, in some ways; a miniblog to review every issue of that series is an even dodgier one, especially given that I've got a book deadline in a few months and at least nominally have to write other stuff to put zwieback crackers in my baby's mouth.”
“Wilhelm Meyerhoff, was a dull, lazy civil servant who couldn't find his breakfast zwieback without help.”
Garden of Beasts
“He leaned forward to refill his cup with chocolate and place two zwieback biscuits on the saucer.”
Garden of Beasts
“But the trooper pointed to each of the dishes as he laid them out and said, "That's cherry mos, that's zwieback, bratwurst, goat and lamb pie, sauerbraten, dill potatoes.”
A Maiden's Grave
Lists
These user-created lists contain the word ‘zwieback’.
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11250 more...
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Another 250 Spelling Words
Another range of words from the intermediate to the advanced speller's level.
cherimoya, parthenogenesis, sommelier, bupkis, kichel, voulge, indivisibility, retiarius, sewellel, vihuela, ossature, jalfrezi and 238 more...
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phrontistery-z
from phrontistery.info
zabaglione, zabernism, zabra, zabuton, zaffre, zaftig, zaitech, zakuska, zalambdodont, zamacueca, zamarra, zambomba and 208 more...
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Vega's Logophile Dictionary
Words I've heard/read in use, words being learnt, words that I want to eventually use in everyday language, words that are high-brow and elitist and scholarly and obscure, words that display the wo...
parsimonious, torpor, recalcitrant, plebeian, vitriol, gumption, augur, aestival, celerity, diaphanous, farrago, nonpareil and 287 more...
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German words
blödsinn, heimat, abendbrot, lebkuchen, schelm, currywurst, knatschig, spekulatius, knäppchen, apfelkitsche, woll, wonnich and 98 more...
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Words I'd Like to Use Someday
thundersnow, phantasmagoria, mercurial, chimerical, taciturn, paraclete, lapis lazuli, flay, guttersnipe, wonky, misanthrope, kestrel and 583 more...
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know-it-all
eunuch, couvade, ecclesiastes, enigma, inevitable, crucible, genteel, bedlam, baculum, scapulimancy, atrophy, smut and 170 more...
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sionnach's Words
contumely, fomite, holmgang, poltroon, eleemosynary, obsidian, nugatory, grindcore, felch, recrudescent, pyx, parenteral and 3271 more...
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beautiful words
quench, metropolitan, dollop, cucumber, aesthetic, superfluous, gastronomy, nymph, obsequious, serendipity, champagne, gossamer and 125 more...
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General Loveliness
hirsute, indubitably, gossamer, continuum, murderous, harpy, chimera, foofaraw, hoi polloi, mollycoddle, villein, nonplussed and 121 more...
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Food
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spaghetti, yogurt, muesli, rarebit, wheat, cream, cheese, pumpkin, custard, couscous, oats, sausage and 237 more...
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Front and Back
backchat, backbone, backpack, backhoe, backfire, backhanded, breakfront, beachfront, drawback, effrontery, frontier, switchback and 196 more...
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today's word
copemate, quiddity, ere, maugre, argal, cultivar, exurb, spokesmodel, rollick, logy, cadastral, corpulent and 259 more...
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Exotic Tastes
Interesting words related to food, ingredients, dishes, cookery, cuisines and so on. Exotic in this case is entirely subjective, with funkelberries on top.
tatty, neep, flummery, babaganoush, tahini, samphire, loblolly, scrumpy, fressen, luwak, duxelle, edamame and 213 more...
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wordsmith's Words
zephyr, zwieback, prophylactic, sidereal, demesne, dressage, arboretum, caryatid, xebec, ha ha, colporteur, aa and 3 more...
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Foodie
orange pekoe, green, cherry sencha, chai, pie, pili nut, zwieback, marzipan, celeriac, mincemeat, bacon, absinthe and 2 more...
Tweets
Looking for tweets for zwieback.

jennarenn The Zwieback Motel is also mentioned in the Dr. Seuss Sleep Book. Feb 11, 2007
fbharjo zwieback a twice-baked (atleast)word Jan 14, 2007