RECKONER


Meaning of RECKONER in English

-k(ə)nə(r) noun

( -s )

Etymology: Middle English rikenere, from rikenen to reckon + -ere -er

1. : one that reckons

2. : an aid to reckoning ; especially : a book of tables — called also ready reckoner

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.