Source : Webster's Revised Unabridged Dictionary (1913)

Asclepiad \As*cle"pi*ad\, n. (Gr. & L. Pros.)
   A choriambic verse, first used by the Greek poet Asclepias,
   consisting of four feet, viz., a spondee, two choriambi, and
   an iambus.

Source : WordNet®

asclepiad
     n : any plant of the family Asclepiadaceae