The Collaborative International Dictionary of English v.0.48:

Shippo \Ship*po"\, n. [Jap. shipp[=o] seven precious things;
   Chin. ts'ih seven + pao gem.] (Japanese Art)
   Cloisonn['e] enamel on a background of metal or porcelain; --
   also called shippo yaki.
   [Webster 1913 Suppl. +PJC]