Definitions for plagalˈpleɪ gəl
Random House Webster's College Dictionary
pla•gal*ˈpleɪ gəl(adj.)
(of a church mode) having the final in the middle of the compass.
Category: Music and Dance
Ref: Compare authentic (def. 4a). 5 1
(of a cadence) progressing from the subdominant to the tonic chord.
Category: Music and Dance
Ref: Compare authentic (def. 4b) 5 2
* Music..
Origin of plagal:
1590–1600; < ML plagālis=plag(a) plagal mode (appar. back formation from plagius plagal; see plage ) + L -ālis -al1
Wiktionary
plagal(Adjective)
Designating a mode lying a perfect fourth below the authentic form.
plagal(Adjective)
Designating a cadence in which the subdominant chord precedes the tonic.
Origin: From plagalis, from plaga, from plagius, from Byzantine Greek ‘plagal’, ‘oblique’.
Webster Dictionary
Plagal(adj)
having a scale running from the dominant to its octave; -- said of certain old church modes or tunes, as opposed to those called authentic, which ran from the tonic to its octave
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