Webster's Revised Unabridged Dictionary · 1913

Cloisonné

Cloisonné , adjective

[French, partitioned, from cloison a partition.]

Inlaid between partitions: -- said of enamel when the lines which divide the different patches of fields are composed of a kind of metal wire secured to the ground; as distinguished from champlevé enamel, in which the ground is engraved or scooped out to receive the enamel. — S. Wells Williams

Also: Cloisonne