Source : Webster's Revised Unabridged Dictionary (1913)

Cheliform \Chel"i*form\, a. [Gr. chhlh` claw + -form.]
   (Zo["o]l.)
   Having a movable joint or finger closing against a preceding
   joint or a projecting part of it, so that the whole may be
   used for grasping, as the claw of a crab; pincherlike.