zwiebackhttp://www.oed.com/dictionary/zwieback_n%3Ftab%3Dmeaning_and_usezwieback, n.
First published 1986; not fully revised

zwiebacknoun

  1. 1894–
    A (sweet) rusk or biscuit made by baking a small loaf, and then toasting slices until they are dry and crisp.
    1. 1894
      These Zweiback will keep for a long time if put in a dry place.
      New York Weekly Tribune 14 March 5/3
    2. 1907
      On the seventh day, some well~cooked rice and a few softened Zwieback are allowed.
      Practitioner April 552
    3. 1925
      In Germany and Austria..Zwieback comprises a vast variety of small crunchy biscuity cakes.
      British Weekly 22 October 127/1
    4. 1949
      The game of ‘I give you something and you give me something’ is not necessarily cross-sexed when it is based on bottles and zwieback.
      M. Mead, Male & Female xiii. 273
    5. 1957
      The various biscuits, wafers, pretzels, zwiebacks.
      V. Nabokov, Pnin v. 132
    6. 1978
      Hope gave Nicky a zwieback and he stopped crying.
      J. Irving, World according to Garp xv. 287

zwieback, n. was first published in 1986; not fully revised.

zwieback, n. was last modified in July 2023.