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church mode

American  

noun

Music.
  1. a mode belonging to a codified system of modes in use in Gregorian chant and in other music to c1600.


church mode British  

noun

  1. music a less common name for mode

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of church mode

First recorded in 1860–65