cloisonné
Concise Oxford English Dictionary © 2008 Oxford University Press:
cloisonné /klwɑːˈzɒneɪ/
▶noun enamel work in which different colours are separated by strips of flattened wire placed edgeways on a metal backing.
– origin C19: Fr., lit. ‘partitioned’, past part. of cloisonner, from cloison ‘a partition or division’.
'cloisonné' also found in these Oxford entries:

