Source : Webster's Revised Unabridged Dictionary (1913)

Falcate \Fal"cate\, Falcated \Fal"ca*ted\, a. [L. falcatus, fr.
   falx, falcis, a sickle or scythe.]
   Hooked or bent like a sickle; as, a falcate leaf; a falcate
   claw; -- said also of the moon, or a planet, when horned or
   crescent-formed.