skid /ˈskɪd/
  (vt.)剎住,滾滑(vi.)打滑剎車,滑動墊木
  Skid, v. i.
  1. To slide without rotating; -- said of a wheel held from turning while the vehicle moves onward.
  2.  To fail to grip the roadway; specif., to slip sideways on the road; to side-slip; -- said esp. of a cycle or automobile.
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  Skid n.  [Written also skeed.]
  1. A shoe or clog, as of iron, attached to a chain, and placed under the wheel of a wagon to prevent its turning when descending a steep hill; a drag; a skidpan; also, by extension, a hook attached to a chain, and used for the same purpose.
  2. A piece of timber used as a support, or to receive pressure. Specifically: (a) pl. Naut. Large fenders hung over a vessel's side to protect it in handling a cargo. --Totten. (b) One of a pair of timbers or bars, usually arranged so as to form an inclined plane, as form a wagon to a door, along which anything is moved by sliding or rolling. (c) One of a pair of horizontal rails or timbers for supporting anything, as a boat, a barrel, etc.
  3. Aeronautics A runner (one or two) under some flying machines, used for landing.
  6.   Act of skidding; -- called also side slip.
  Skid, v. t. [imp. & p. p. Skidded p. pr. & vb. n. Skidding.]
  1. To protect or support with a skid or skids; also, to cause to move on skids.
  2. To check with a skid, as wagon wheels.
  3. Forestry To haul (logs) to a skid and load on a skidway.
  ski
       n : narrow wood or metal or plastic runners used for gliding
           over snow [syn: skis]
       v : move along on skis; "We love to ski the Rockies"
       [also: ski'd]
  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]
       3: an unexpected slide [syn: 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: slip,
           slue, slew, slide]
       [also: skidding, skidded]