sleep·er /ˈslipɚ/
 睡眠者,枕木,臥鋪;[美俚]安眠藥,鎮靜劑


 Sleep·er n.
 1. One who sleeps; a slumberer; hence, a drone, or lazy person.
 2. That which lies dormant, as a law. [Obs.]
 3. A sleeping car. [Colloq. U.S.]
 4. Zool. An animal that hibernates, as the bear.
 5. Zool. (a) A large fresh-water gobioid fish (Eleotris dormatrix). (b) A nurse shark. See under Nurse.


 Sleep·er, n.  Something lying in a reclining posture or position. Specifically: --
 (a) One of the pieces of timber, stone, or iron, on or near the level of the ground, for the support of some superstructure, to steady framework, to keep in place the rails of a railway, etc.; a stringpiece.
 (b) One of the joists, or roughly shaped timbers, laid directly upon the ground, to receive the flooring of the ground story. [U.S.]
 (c) Naut. One of the knees which connect the transoms to the after timbers on the ship's quarter.
 (d) Naut. The lowest, or bottom, tier of casks.

 ◄ ►


 sleeper
      n 1: a rester who is sleeping [syn: slumberer]
      2: a spy or saboteur or terrorist planted in an enemy country
         who lives there as a law-abiding citizen until activated
         by a prearranged signal
      3: an unexpected achiever of success; "the winner was a true
         sleeper--no one expected him to get it"
      4: one of the cross braces that support the rails on a railway
         track; "the British call a railroad tie a sleeper" [syn: tie,
          railroad tie, crosstie]
      5: a passenger car that has berths for sleeping [syn: {sleeping
         car, wagon-lit]
      6: a piece of furniture that can be opened up into a bed
      7: tropical fish that resembles a goby and rests quietly on the
         bottom in shallow water [syn: sleeper goby]
      8: an unexpected hit; "that movie was the sleeper of the
         summer"