plainsong: Meaning and Definition of

plain•song

Pronunciation: (plān'sông", -song"), [key]
— n.
  1. the unisonous vocal music used in the Christian church from the earliest times.
  2. modal liturgical music; Gregorian chant.
  3. a cantus firmus or theme chosen for contrapuntal development.
  4. any simple and unadorned melody or air.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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