Webster's Revised Unabridged Dictionary · 1913

Octandria

Octandria , proper noun, plural

[New Latin, from Greek 'okta- (for 'oktw` eight) + {not transcribed}, {not transcribed}, male, man.]

(Botany) A Linnaean class of plants, in which the flowers have eight stamens not united to one another or to the pistil.