Definition of quadrilogue in English:

quadrilogue

Pronunciation /ˈkwɒdrɪlɒɡ/

noun

  • A dialogue or conversation involving four persons. Formerly also: †an account by four persons (obsolete). Compare "dialogue", "trialogue", etc.

Origin

Late 15th century; earliest use found in Chartier's Quadrilogue. From quadri- + -logue, originally after Middle French quadrilogue.