The Collaborative International Dictionary of English v.0.48:

Scabbard \Scab"bard\, v. t.
   To put in a scabbard.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scabbard \Scab"bard\, n. [OE. scaubert, scauberk, OF. escaubers,
   escauberz, pl., scabbards, probably of German or Scan.
   origin; cf. Icel. sk[=a]lpr scabbard, and G. bergen to
   conceal. Cf. Hauberk.]
   The case in which the blade of a sword, dagger, etc., is
   kept; a sheath.
   [1913 Webster]

         Nor in thy scabbard sheathe that famous blade.
                                                  --Fairfax.
   [1913 Webster]

   Scabbard fish (Zool.), a long, compressed, silver-colored
      taenioid fish (Lepidopus argyreus syn. Lepidopus
      caudatus), found on the European coasts, and more
      abundantly about New Zealand, where it is called
      frostfish and considered an excellent food fish.
      [1913 Webster]

WordNet (r) 3.0 (2006):

scabbard
    n 1: a sheath for a sword or dagger or bayonet