(in a motion-picture mechanism) a device having one or two teeth that hook into the perforations of a length of film and move it one frame at a time at any given speed.
7.
Jewelry. one of a group of slender, tapering metal projections rising from the base of a jewelry setting, used to hold a transparent or faceted gemstone in position. Compare prong(def. 4).
to tear, scratch, seize, pull, etc., with or as if with claws: The kitten clawed my sweater to shreds.
9.
to make by or as if by scratching, digging, etc., with hands or claws: to claw a hole in the earth.
10.
to proceed by or as if by using the hands: He clawed his way through the crowd.
verb (used without object)
11.
to scratch, tear, or dig with or as if with claws: The cat clawed and hissed in fear.
12.
to make fumbling motions: He clawed at the door. She clawed for the light switch.
13.
Scot.to scratch gently, as to relieve itching.
Origin: before 900; (noun) Middle English; Old English clawu; cognate with Old High German chlō(a), akin to Dutch klauw,German Klaue; (v.) Middle English clawen,Old English claw(i)an, derivative of clawu (noun); akin to Dutch klauwen,German klauen