From WordNet (r) 3.0 (2006):
skid
n 1: one of a pair of planks used to make a track for rolling or
sliding objects
2: a restraint provided when the brake linings are moved
hydraulically against the brake drum to retard the wheel's
rotation [syn: brake shoe, shoe, skid]
3: an unexpected slide [syn: skid, slip, sideslip]
v 1: slide without control; "the car skidded in the curve on the
wet road"
2: elevate onto skids
3: apply a brake or skid to
4: move obliquely or sideways, usually in an uncontrolled
manner; "the wheels skidded against the sidewalk" [syn:
skid, slip, slue, slew, slide]