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1. The cardinal number that is the sum of seven and one
   - eight, 8, VIII, eighter, eighter from Decatur, octad, ogdoad, octonary
    
2. Eight performers or singers who perform together
   - octette
    
3. A set of eight similar things considered as a unit
   - octette
    
4. Eight people considered as a unit
   - octette, eightsome
    
5. A musical composition written for eight performers
   - octette

Derived forms: octets

Type of: assemblage, composition, digit, figure, gathering, musical composition, musical group, musical organisation [Brit], musical organization, opus, piece, piece of music, set

Encyclopedia: Octet