/kwuy"neuh ree/ , adj., n., pl. quinaries .
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.
4. a number in a quinary system.
[ 1595-1605; quinarius, equiv. to quin ( i ) five each + -arius -ARY ]