falciform

from WordNet (r) 3.0 (2006)

falciform
    adj 1: curved like a sickle; "a falcate leaf"; "falcate claws";
           "the falcate moon" [syn: {falcate}, {falciform}, {sickle-
           shaped}]

from The Collaborative International Dictionary of English v.0.48

Falciform \Fal"ci*form\, a. [L. falx, falcis, a sickle + -form:
   cf. F. falciforme.]
   Having the shape of a scithe or sickle; resembling a reaping
   hook; as, the falciform ligatment of the liver.
   [1913 Webster]