Octandria \Oc*tan"dri*a\, prop. n. pl. [NL., fr. Gr. 'okta- (for
'oktw` eight) + ?, ?, male, man.] (Bot.)
A Linnaean class of plants, in which the flowers have eight
stamens not united to one another or to the pistil.
[1913 Webster] octandrian