soda cracker definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a cracker, usually salted, prepared from dough made of flour, water, and leavening, orig. baking soda and cream of tartar
soda cracker definition by American Heritage Dictionary
A thin, usually square cracker leavened slightly with baking soda. Also called soda biscuit.