Source : Webster's Revised Unabridged Dictionary (1913)

Polyandria \Pol`y*an"dri*a\, n. pl. [NL. See {Polyandry}.]
   (Bot.)
   A Linn[ae]an class of monoclinous or hermaphrodite plants,
   having many stamens, or any number above twenty, inserted in
   the receptacle.