retroflexed

from WordNet (r) 3.0 (2006)

retroflexed
    adj 1: bent or curved backward [syn: {retroflex}, {retroflexed}]

from The Collaborative International Dictionary of English v.0.48

Retroflex \Re"tro*flex\, Retroflexed \Re"tro*flexed\, a. [Pref.
   retro- + L. flectere, flexum, to bend, to turn.]
   Reflexed; bent or turned abruptly backward.
   [1913 Webster]