cam

Etymology 1

Recorded since the 16th century, from Dutch kam (“cog of a wheel; originally, comb”) (cognate with English comb, and preserved in modern Dutch compounds such as kamrad, kamwiel (“cog wheel”)). Doublet of comb.

noun

1. A turning or sliding piece which imparts motion to a rod, lever or block brought into sliding or rolling contact with it.
2. A curved wedge, movable about an axis, used for forcing or clamping two pieces together.
3. (UK, dialect) A ridge or mound of earth.
   Cum doun t' cam' soid 1861, Dean Ramsay, Reminiscences of Scottish Life and Character
4. (climbing) A spring-loaded camming device, a spring-loaded device for effecting a temporary belay in a rock crevice.

Etymology 2

Clipping of camera.

noun

1. (informal) Camera.

verb

1. To go on webcam with someone.

Etymology 3

adv

1. Alternative form of kam