Source : Webster's Revised Unabridged Dictionary (1913)

Recurved \Re*curved"\ (r?*k?rvd"), a.
   Curved in an opposite or uncommon direction; bent back; as, a
   bird with a recurved bill; flowers with recurved petals.

Source : WordNet®

recurved
     adj : curved backward or inward [syn: {recurvate}]