cloisonne noun2 •A decorative technique for metalwork, especially brass, whereby colored enamel is baked in partitions (cloisons) between raised ridges of the metal.Cloisonne is sometimes seen as a cheaper alternative to jewelled encrustation or filigree.Zoë wore a pair of cloisonne earrings she had bought in France. •Objects decorated by this technique collectively.The museum had a fine collection of medieval Italian cloisonne. formscloisonnes · cloisonnés