What is having a movable joint or finger closing againts a preceding joint or a projecting part of it, so that the whole may be ised for grasping, as the claw of a crab; pincherlike called?

cheliform — Having a movable joint or finger closing againts a preceding joint or a projecting part of it, so that the whole may be ised for grasping, as the claw of a crab; pincherlike. (Webster's 1913.)

Sources