Source : Webster's Revised Unabridged Dictionary (1913)

Anapaest \An`a*p[ae]st\, Anapaestic \An`a*p[ae]s"tic\
   Same as {Anapest}, {Anapestic}.

Source : WordNet®

anapaestic
     adj : (of a metric foot) characterized by two short syllables
           followed by a long one [syn: {anapestic}]