Is “Quinary” a Scrabble word?
Yes
QUINARY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Quinary
/ˈkwaɪ.nə.ɹi/
noun
1.Any of 72 rays associated with the Sun, six for each of the 12 houses of the Zodiac.
adjective
1.Of fifth rank or order.
2.Consisting of five things; arranged in fives.
3.To the base of five; represented by the numerals 0, 1, 2, 3 and 4.