RECURVED
recurved, recurvate
(adjective) curved backward or inward
Source: WordNet® 3.1
Verb
recurved
simple past tense and past participle of recurve
Adjective
recurved (comparative more recurved, superlative most recurved)
curved or bent, either in two different directions, or back on itself
Source: Wiktionary
Re*curved" (r*krvd"), a.
Definition: Curved in an opposite or uncommon direction; bent back; as, a
bird with a recurved bill; flowers with recurved petals.
RECURVE
Re*curve" (r*krv"), v. t.
Definition: To curve in an opposite or unusual direction; to bend back or
down.
Source: Webster’s Unabridged Dictionary 1913 Edition