- designating a mode having a range about a fifth above and a fifth below a control note
- designating a cadence with the subdominant chord immediately preceding the tonic chord, as in the amen of a religious hymn
Origin of plagalMedieval Latin plagalis from plaga, plagal mode from Medieval Greek plagios, plagal (in Gr, oblique, slanting) from Classical Greek plagos, a side, akin to pelagos, the sea: see pelagic
Of or being a medieval mode having a range from the fourth below to the fifth above its final tone.
Origin of plagalMedieval Latin plagālis from plaga plagal mode from plagius plagal from Medieval Greek plagios (ēkhos) plagal (mode) from Greek oblique from plagos side ; see plāk-1 in Indo-European roots.
(comparative more plagal, superlative most plagal)