noun
1. two performers or singers who perform together
• Hypernyms: ↑musical organization, ↑musical organisation, ↑musical group
• Instance Hyponyms: ↑Laurel and Hardy
2. a musical composition for two performers
• Hypernyms: ↑musical composition, ↑opus, ↑composition, ↑piece, ↑piece of music
Useful english dictionary. 2012.