The Collaborative International Dictionary of English v.0.48:

Insnare \In*snare"\, v. t. [imp. & p. p. Insnared; p. pr. &
   vb. n. Insnaring.] [Written also ensnare.]
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   1. To catch in a snare; to entrap; to take by artificial
      means. "Insnare a gudgeon." --Fenton.
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   2. To take by wiles, stratagem, or deceit; to involve in
      difficulties or perplexities; to seduce by artifice; to
      inveigle; to allure; to entangle.
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            The insnaring charms
            Of love's soft queen.                 --Glover.
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