Source : Webster's Revised Unabridged Dictionary (1913)

Snare \Snare\, v. t. [imp. & p. p. {Snared}; p. pr. & vb. n.
   {Snaring}.]
   To catch with a snare; to insnare; to entangle; hence, to
   bring into unexpected evil, perplexity, or danger.

         Lest that too heavenly form . . . snare them. --Milton.

         The mournful crocodile With sorrow snares relenting
         passengers.                              --Shak.

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.

Source : WordNet®

snare
     n 1: something (often something deceptively attractive) that
          catches you unawares; "the exam was full of trap
          questions"; "it was all a snare and delusion" [syn: {trap}]
     2: a small drum with two heads and a snare stretched across the
        lower head [syn: {snare drum}, {side drum}]
     3: a surgical instrument consisting of wire hoop that can be
        drawn tight around the base of polyps or small tumors to
        sever them; used especially in body cavities
     4: strings stretched across the lower head of a snare drum;
        they make a rattling sound when the drum is hit
     5: a trap for birds or small mammals; often has a noose [syn: {gin},
         {noose}]

snare
     v 1: catch in or as if in a trap; "The men trap foxes" [syn: {trap},
           {entrap}, {ensnare}, {trammel}]
     2: entice and trap; "The car salesman had snared three
        potential customers" [syn: {hook}]