Source : Webster's Revised Unabridged Dictionary (1913)

Identic \I*den"tic\, Identical \I*den"tic*al\, a.
   In diplomacy (esp. in the form identic), precisely agreeing
   in sentiment or opinion and form or manner of expression; --
   applied to concerted action or language which is used by two
   or more governments in treating with another government.

Identical \I*den"tic*al\, a. [Cf. F. identique. See {Identity}.]
   1. The same; the selfsame; the very same; not different; as,
      the identical person or thing.

            I can not remember a thing that happened a year ago,
            without a conviction . . . that I, the same
            identical person who now remember that event, did
            then exist.                           --Reid.

   2. Uttering sameness or the same truth; expressing in the
      predicate what is given, or obviously implied, in the
      subject; tautological.

            When you say body is solid, I say that you make an
            identical proposition, because it is impossible to
            have the idea of body without that of solidity.
                                                  --Fleming.

   {Identical equation} (Alg.), an equation which is true for
      all values of the algebraic symbols which enter into it.

Source : WordNet®

identical
     adj 1: exactly alike; incapable of being perceived as different;
            "rows of identical houses"; "cars identical except for
            their license plates"; "they wore indistinguishable
            hats" [syn: {indistinguishable}]
     2: being the exact same one; not any other:; "this is the
        identical room we stayed in before"; "the themes of his
        stories are one and the same"; "saw the selfsame quotation
        in two newspapers"; "on this very spot"; "the very thing
        he said yesterday"; "the very man I want to see" [syn: {one
        and the same(p)}, {selfsame(a)}, {very(a)}]
     3: (of twins) derived from a single egg or ovum; "identical
        twins are monovular" [syn: {monovular}] [ant: {fraternal}]
     4: having properties with uniform values along all axes
     5: coinciding exactly when superimposed; "identical triangles"
        [syn: {superposable}]