Source : Webster's Revised Unabridged Dictionary (1913)

Bridecake \Bride"cake`\, n.
   Rich or highly ornamented cake, to be distributed to the
   guests at a wedding, or sent to friends after the wedding.

Source : WordNet®

bridecake
     n : a rich cake with two or more tiers and covered with frosting
         and decorations; served at a wedding reception [syn: {wedding
         cake}]