Improve Zwieback meaning in Urdu

Is there any meaning of the word zwieback that needs an edit? Please click that meaning to rewrite it.

سینکی روٹی کا ٹکڑا

Is there any meaning of the word zwieback that needs to be removed from the list? Please click that meaning to mark it for deletion.

سینکی روٹی کا ٹکڑا

Do you want to add a new meaning, definition, and a sentence of the word zwieback? Please feel free to add.