nonary
[ noh-nuh-ree ]
/ ˈnoʊ nə ri /
adjective
consisting of nine.
of, relating to, or noting a numerical system based on the number 9.
noun, plural no·na·ries.
a number in a nonary system.
Origin of nonary
1660–70; < Latin
nōnārius of, belonging to the ninth (hour), equivalent to
nōn(us) ninth +
-ārius
-ary