Origin of reckoner
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for reckoner
- any of various devices or tables used to facilitate reckoning, esp a ready reckoner
Word Origin and History for reckoner
early 13c., agent noun from reckon. Especially "book of tables used in calculation," often known as a ready reckoner.
Online Etymology Dictionary, © 2010 Douglas Harper