Real Dictionary

skid
verb: If a vehicle skids, it slides sideways or forwards while moving, for example when you are trying to stop it suddenly on a wet road.

skid in American English
a plank, log, etc., often one of a pair or set, used as a support or as a track upon which to slide or roll a heavy object
to brake or lock (a wheel) with a skid
to slide without turning, as a wheel when skids or brakes are applied on a slippery surface
noun: a plank, bar, log, or the like, esp. one of a pair, on which something heavy may be slid or rolled along

skid in Automotive Engineering
verb: If a vehicle skids, it slides sideways or forward while moving, for example when you are trying to stop it suddenly on a wet road.

skid in British English
noun: an instance of sliding, esp sideways
verb: to cause (a vehicle) to slide sideways or (of a vehicle) to slide sideways while in motion, esp out of control