Source : Webster's Revised Unabridged Dictionary (1913)

Attire \At*tire"\, n.
   1. Dress; clothes; headdress; anything which dresses or
      adorns; esp., ornamental clothing.

            Earth in her rich attire.             --Milton.

            I 'll put myself in poor and mean attire. --Shak.

            Can a maid forget her ornament, or a bride her
            attire?                               --Jer. ii. 32.

   2. The antlers, or antlers and scalp, of a stag or buck.

   3. (Bot.) The internal parts of a flower, included within the
      calyx and the corolla. [Obs.] --Johnson.

Attire \At*tire"\, v. t. [imp. & p. p. {Attired}; p. pr. & vb.
   n. {Attiring}.] [OE. atiren to array, dispose, arrange, OF.
   atirier; [`a] (L. ad) + F. tire rank, order, row; of Ger.
   origin: cf. As. tier row, OHG. ziar[=i], G. zier, ornament,
   zieren to adorn. Cf. {Tire} a headdress.]
   To dress; to array; to adorn; esp., to clothe with elegant or
   splendid garments.

         Finely attired in a robe of white.       --Shak.

         With the linen miter shall he be attired. --Lev. xvi.
                                                  4.

Source : WordNet®

attire
     n : clothing of a distinctive style or for a particular
         occasion; "formal attire"; "battle dress" [syn: {garb}, {dress}]
     v : put on special clothes to appear particularly appealing and
         attractive; "She never dresses up, even when she goes to
         the opera"; "The young girls were all fancied up for the
         party" [syn: {dress up}, {fig out}, {fig up}, {deck up},
         {gussy up}, {fancy up}, {trick up}, {deck out}, {trick
         out}, {prink}, {get up}, {rig out}, {tog up}, {tog out},
         {overdress}] [ant: {dress down}]