[ rek-uh-ner ]
/ ˈrɛk ə nər /


a person who reckons.
Also called ready reckoner. a collection of mathematical and other tables for ready calculation.

Nearby words

  1. recklinghausen's disease,
  2. recklinghausen's disease of bone,
  3. recklinghausen's tumor,
  4. reckon,
  5. reckon with,
  6. reckoning,
  7. reclaim,
  8. reclaimant,
  9. reclamation,
  10. reclassify

Origin of reckoner

Middle English word dating back to 1175–1225; see origin at reckon, -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for reckoner

  • I'm no reckoner of time, that keeps its own score like an innkeeper, without my help.

    Montezuma's Daughter|H. Rider Haggard
  • Grandmother was talkative, and she said: 'Go, Nastenka, into my bedroom and bring me my reckoner.'

British Dictionary definitions for reckoner


/ (ˈrɛkənə) /


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

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