Meaning of quinary

qui•na•ry

Pronunciation: (kwī'nu-rē), [key]
— adj., n., pl. -ries.
—adj.
  1. pertaining to or consisting of five.
  2. arranged in fives.
  3. of, pertaining to, or noting a numerical system based on the number 5.
—n.
  1. a number in a quinary system.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.