<p><strong>Noun:</strong></p><ul><li>A plank, bar, log, or the like, especially one of a pair, on which something heavy may be slid or rolled along.</li><li>One of a number of such logs or timbers forming a skidway.</li><li>A low mobile platform on which goods are placed for ease in handling, moving, etc. Compare stillage.</li><li>A plank, log, low platform, etc., on or by which a load is supported.</li><li>Nautical: any of a number of parallel beams or timbers fixed in place as a raised support for boats, spars, etc.</li><li>Any of a number of timbers on which a heavy object is placed to be shoved along on rollers or slid.</li><li>An arrangement of planks serving as a runway for cargo.</li><li>An arrangement of planks serving as a fender to protect the side of a vessel during transfer of cargo.</li><li>Sidewise motion of a vessel; leeway.</li><li>A shoe or some other choke or drag for preventing the wheel of a vehicle from rotating, as when descending a hill.</li><li>A runner on the under part of some airplanes, enabling the aircraft to slide along the ground when landing.</li><li>An unexpected or uncontrollable sliding on a smooth surface by something not rotating, especially an oblique or wavering veering by a vehicle or its tires.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>To place on or slide along a skid.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>To slide along without rotating, as a wheel to which a brake has been applied.</li><li>To slide forward under the force of momentum after forward motion has been braked, as a vehicle.</li><li>(Of an airplane when not banked sufficiently) to slide sideways, away from the center of the curve described in turning.</li></ul>