reckoner
Americannoun
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a person who reckons.
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Also called ready reckoner. a collection of mathematical and other tables for ready calculation.
noun
Etymology
Origin of reckoner
Middle English word dating back to 1175–1225; see origin at 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.
Alongside a new "ready reckoner" tool, allowing farms to calculate how much they might be offered, Irranca-Davies announced £33m for nine preparatory schemes to " back farm businesses during the transition to the new SFS".
From BBC ● Jul. 20, 2025
There is even a random-text-generating word-frame called the Engine, reminiscent of Gottfried Leibniz's late-seventeenth-century calculating machine, the step reckoner.
From Nature ● Sep. 26, 2017
Man, now having to calculate the various allocations of "leisure," has become, in the realm of consumption, Homo oeconomicus and reckoner of time.
From Time Magazine Archive
But the sand reckoner was destined to meet his fate while reckoning in the sand.
From "Zero: The Biography of a Dangerous Idea" by Charles Seife
A few feet away, his father was carefully calculating, with the aid of a ready reckoner, the compound interest on a little pile of bills of exchange which lay before him.
From The New Tenant by Oppenheim, E. Phillips (Edward Phillips)
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.
