Source : Webster's Revised Unabridged Dictionary (1913)

Declaration \Dec`la*ra"tion\, n. [F. d['e]claration, fr. L.
   declaratio, fr. declarare. See {Declare}.]
   1. The act of declaring, or publicly announcing; explicit
      asserting; undisguised token of a ground or side taken on
      any subject; proclamation; exposition; as, the declaration
      of an opinion; a declaration of war, etc.

   2. That which is declared or proclaimed; announcement;
      distinct statement; formal expression; avowal.

            Declarations of mercy and love . . . in the Gospel.
                                                  --Tillotson.

   3. The document or instrument containing such statement or
      proclamation; as, the Declaration of Independence (now
      preserved in Washington).

            In 1776 the Americans laid before Europe that noble
            Declaration, which ought to be hung up in the
            nursery of every king, and blazoned on the porch of
            every royal palace.                   --Buckle.

   4. (Law) That part of the process in which the plaintiff sets
      forth in order and at large his cause of complaint; the
      narration of the plaintiff's case containing the count, or
      counts. See {Count}, n., 3.

   {Declaration of Independence}. (Amer. Hist.) See under
      {Independence}.

   {Declaration of rights}. (Eng. Hist) See {Bill of rights},
      under {Bill}.

   {Declaration of trust} (Law), a paper subscribed by a grantee
      of property, acknowledging that he holds it in trust for
      the purposes and upon the terms set forth. --Abbott.

Source : WordNet®

declaration
     n 1: a statement that is emphatic and explicit (spoken or
          written)
     2: (law) unsworn statement that can be admitted in evidence in
        a legal transaction; "his declaration of innocence"
     3: a statement of taxable goods or of dutiable properties
     4: (contract bridge) the highest bid becomes the contract
        setting the number of tricks that the bidder must make
        [syn: {contract}]
     5: a formal public statement; "the government made an
        announcement about changes in the drug war"; "a
        declaration of independence" [syn: {announcement}, {proclamation},
         {annunciation}]
     6: a formal expression by a meeting; agreed to by a vote [syn:
        {resolution}, {resolve}]