[ ok-tuh-ner-ee ]

  1. pertaining to the number 8.

  2. consisting of eight.

  1. proceeding by eight.

noun,plural oc·to·nar·ies.
  1. a group of eight; an ogdoad.

  2. Also octal. Prosody. a stanza of eight lines.

  1. a number in an octonary system.

Origin of octonary

1525–35; <Latin octōnārius consisting of eight, equivalent to octōn(ī) eight each + -ārius-ary

Words Nearby octonary

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use octonary in a sentence

  • It is said that the ancient Saxons used the octonary system,220 but how, or for what purposes, is not stated.

    The Number Concept | Levi Leonard Conant

British Dictionary definitions for octonary


/ (ˈɒktənərɪ) rare /

  1. relating to or based on the number eight

nounplural -naries
  1. prosody a stanza of eight lines

  2. a group of eight

Origin of octonary

C16: from Latin octōnārius, from octōnī eight at a time

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