A method of decorating surfaces with patterns or pictures composed of small, regularly-shaped pieces of colored durable material, such as stone or glass.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300138684

Um método para decorar superfícies com padrões ou imagens compostas de pequenas peças de formato regular de material colorido durável, como pedra ou vidro.

Fonte: AAT

http://vocab.getty.edu/page/aat/300138684