Plagal meaning

plāgəl
Of or being a medieval mode having a range from the fourth below to the fifth above its final tone.
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Designating a mode having a range about a fifth above and a fifth below a control note.
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Designating a cadence with the subdominant chord immediately preceding the tonic chord, as in the amen of a religious hymn.
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(music) Designating a mode lying a perfect fourth below the authentic form.
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(music) Designating a cadence in which the subdominant chord precedes the tonic.
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Origin of plagal

  • Medieval Latin plagālis from plaga plagal mode from plagius plagal from Medieval Greek plagios (ēkhos) plagal (mode) from Greek oblique from plagos side plāk-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Late Latin plagalis, from Latin plaga, from plagius, from Byzantine Greek πλάγιος (plagios) "˜plagal', Ancient Greek πλάγιος (plagios, “oblique").

    From Wiktionary