/noh"neuh ree/ , adj., n., pl. nonaries .
adj.
1. consisting of nine.
2. of, pertaining to, or noting a numerical system based on the number 9.
n.
3. a number in a nonary system.
[ 1660-70; nonarius of, belonging to the ninth (hour), equiv. to non ( us ) ninth + -arius -ARY ]