RhymeZone: quinary definitions

Definitions of quinary:

adjective: Of fifth rank or order.
adjective: Consisting of five things; arranged in fives.
adjective: (arithmetic) To the base of five; represented by the numerals 0, 1, 2, 3 and 4.
noun: (astrology) Any of 72 rays associated with the Sun, six for each of the 12 houses of the Zodiac.

(Definitions from Wiktionary)