The Collaborative International Dictionary of English v.0.48:

Extricate \Ex"tri*cate\ ([e^]ks"tr[i^]*k[=a]t), v. t. [imp. & p.
   p. Extricated([e^]ks"tr[i^]*k[=a]`t[e^]d); p. pr. & vb. n.
   Extricating([e^]ks"tr[i^]*k[=a]`t[i^]ng).] [L. extricatus,
   p. p. of extricare to extricate; ex out + tricae trifles,
   impediments, perplexities. Cf. Intricate.]
   1. To free, as from difficulties or perplexities; to
      disentangle; to disembarrass; as, to extricate a person
      from debt, peril, etc.
      [1913 Webster]

            We had now extricated ourselves from the various
            labyrinths and defiles.               --Eustace.
      [1913 Webster]

   2. To cause to be emitted or evolved; as, to extricate heat
      or moisture.

   Syn: To disentangle; disembarrass; disengage; relieve;
        evolve; set free; liberate.
        [1913 Webster]

WordNet (r) 3.0 (2006):

extricate
    v 1: release from entanglement of difficulty; "I cannot
         extricate myself from this task" [syn: extricate,
         untangle, disentangle, disencumber]