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reckoner

American  
[rek-uh-ner] / ˈrɛk ə nər /

noun

  1. a person who reckons.

  2. Also called ready reckoner.  a collection of mathematical and other tables for ready calculation.

reckoner British  
/ ˈrɛkənə /

noun

  1. any of various devices or tables used to facilitate reckoning, esp a ready reckoner

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of reckoner

Middle English word dating back to 1175–1225; reckon, -er 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the sand reckoner was destined to meet his fate while reckoning in the sand.

From Literature

"It is a ready reckoner to understand where we stand and the impact of land degradation on agricultural productivity."

From Reuters

Whether racked up at the petrol pump or laid out in a bill on the doormat, they are perhaps the readiest reckoner Britons have for determining the rising cost of living.

From The Guardian

The philosophers, the reckoners—theirs to judge bad against good and find content that way.

From Project Gutenberg

“Just so, your honour; I see your honour is a ready reckoner.”

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.