The Collaborative International Dictionary of English v.0.48:

Devote \De*vote"\, v. t. [imp. & p. p. Devoted; p. pr. & vb.
   n. Devoting.] [L. devotus, p. p. of devovere; de + vovere
   to vow. See Vow, and cf. Devout, Devow.]
   1. To appropriate by vow; to set apart or dedicate by a
      solemn act; to consecrate; also, to consign over; to doom;
      to evil; to devote one to destruction; the city was
      devoted to the flames.
      [1913 Webster]

            No devoted thing that a man shall devote unto the
            Lord . . . shall be sold or redeemed. --Lev. xxvii.
                                                  28.
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   2. To execrate; to curse. [Obs.]
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   3. To give up wholly; to addict; to direct the attention of
      wholly or compound; to attach; -- often with a reflexive
      pronoun; as, to devote one's self to science, to one's
      friends, to piety, etc.
      [1913 Webster]

            Thy servant who is devoted to thy fear. --Ps. cxix.
                                                  38.
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            They devoted themselves unto all wickedness. --Grew.
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            A leafless and simple branch . . . devoted to the
            purpose of climbing.                  --Gray.

   Syn: To addict; apply; dedicate; consecrate; resign; destine;
        doom; consign. See Addict.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Devoted \De*vot"ed\, a.
   Consecrated to a purpose; strongly attached; zealous; devout;
   as, a devoted admirer. -- De*vot"ed*ly, adv. --
   De*vot"ed*ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

devoted
    adj 1: zealous in devotion or affection; "a devoted husband and
           father"; "devoted friends"
    2: (followed by `to') dedicated exclusively to a purpose or use;
       "large sums devoted to the care of the poor"; "a life devoted
       to poetry"