Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
to reckon or calculate incorrectly
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
verb mis·reck·oned, mis·reck·on·ing, mis·reck·ons verb, transitive
To reckon incorrectly; miscalculate.verb, intransitive
To engage in incorrect reckoning or miscalculation.
- mis·reckˈon·ing noun