Source : Webster's Revised Unabridged Dictionary (1913)

Menispermaceous \Men`i*sper*ma"ceous\, a. [Gr. mh`nh the moon +
   spe`rma seed.] (Bot.)
   Pertaining to a natural order ({Menispermace[ae]}) of
   climbing plants of which moonseed ({Menispermum}) is the
   type.