资料来源 : Webster's Revised Unabridged Dictionary (1913)

Snare \Snare\, n. [AS. sneara cord, a string; akin to D. snoer,
   G. schnur, OHG. snour a cord, snarahha a noose, Dan. snare,
   Sw. & Icel. snara, Goth. sn?rj? a basket; and probably also
   to E. needle. See {Needle}, and cf. {Snarl} to entangle.]
   1. A contrivance, often consisting of a noose of cord, or the
      like, by which a bird or other animal may be entangled and
      caught; a trap; a gin.

   2. Hence, anything by which one is entangled and brought into
      trouble.

            If thou retire, the Dauphin, well appointed, Stands
            with the snares of war to tangle thee. --Shak.

   3. The gut or string stretched across the lower head of a
      drum.

   4. (Med.) An instrument, consisting usually of a wireloop or
      noose, for removing tumors, etc., by avulsion.

   {Snare drum}, the smaller common military drum, as
      distinguished from the bass drum; -- so called because (in
      order to render it more resonant) it has stretched across
      its lower head a catgut string or strings.

资料来源 : WordNet®

snare drum
     n : a small drum with two heads and a snare stretched across the
         lower head [syn: {snare}, {side drum}]