'Quinary' definitions:
Definition of 'Quinary'
From: GCIDE
- Quinary \Qui"na*ry\, a. [L. quinarius, from quini five each, akin to quinque five: cf. F. quinaire. See Five.] Consisting of five; arranged by fives. --Boyle. [1913 Webster]
- Quinary system (Zool.), a fanciful classification based on the hypothesis that each group contains five types. [1913 Webster]