1. Plural of plainchant; liturgical chants of the Christian church, typically sung in unison without instrumental accompaniment, especially in Gregorian chant tradition.
Usage: Also called plainsong or Gregorian chant; Primarily used in religious and musical contexts

Examples

• The choir performed several plainchants during the Sunday service.
• Medieval plainchants form the foundation of Western liturgical music.
• Students of music history study plainchants to understand early Christian worship.
• The monastery preserved ancient plainchants in their manuscript collection.
• Plainchants are characterized by their monophonic, unaccompanied vocal style.