The Collaborative International Dictionary of English v.0.48:

Entangle \En*tan"gle\, v. t. [imp. & p. p. Entangled; p. pr. &
   vb. n. Entangling.]
   1. To twist or interweave in such a manner as not to be
      easily separated; to make tangled, confused, and
      intricate; as, to entangle yarn or the hair.
      [1913 Webster]

   2. To involve in such complications as to render extrication
      a bewildering difficulty; hence, metaphorically, to
      insnare; to perplex; to bewilder; to puzzle; as, to
      entangle the feet in a net, or in briers. "Entangling
      alliances." --Washington.
      [1913 Webster]

            The difficulties that perplex men's thoughts and
            entangle their understandings.        --Locke.
      [1913 Webster]

            Allowing her to entangle herself with a person whose
            future was so uncertain.              --Froude.
      [1913 Webster]

WordNet (r) 3.0 (2006):

entangle
    v 1: entrap; "Our people should not be mired in the past" [syn:
         entangle, mire]
    2: twist together or entwine into a confusing mass; "The child
       entangled the cord" [syn: entangle, tangle, mat,
       snarl] [ant: disentangle, straighten out, unsnarl]