- Twas is defined as an older English style of writing to mean it was.
An example of twas is the first word of the Night Before Christmas poem by Clement Clarke Moore.
'twas 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.
Old Poet. it was
'twas definition by American Heritage Dictionary
Contraction of it was.