A chamber piece is a type of musical composition for a small ensemble, usually consisting of two to nine musicians. The crossword solutions for this term are ARMOIRE (7 letters), OCTET (5 letters), TRIO (4 letters), and NONET (5 letters). An ARMOIRE is a large wardrobe or cabinet, typically used for storing clothes or other items. An OCTET is an ensemble of eight musicians, a TRIO is an ensemble of three musicians, and a NONET is an ensemble of nine musicians.