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vicenary

American  
[vis-uh-ner-ee] / ˈvɪs əˌnɛr i /

adjective

  1. of, relating to, or consisting of twenty.

vicenary British  
/ ˈvɪsɪnərɪ /

adjective

  1. relating to or consisting of 20

  2. maths having or using a base 20

"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 vicenary

1595–1605; < Latin vīcēnārius, equivalent to vīcēn ( ī ) twenty each + -ārius -ary

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.