Main Entry: pla·gal

Pronunciation: \ˈplā-gəl\

Function: adjective

Etymology: Medieval Latin plagalis, ultimately from Greek plagios oblique, sideways, from plagos side; akin to Latin plaga net, region, Greek pelagos sea

Date: 1597

1 of a church mode : having the keynote on the fourth scale step — compare authentic 4a
2 of a cadence : progressing from the subdominant chord to the tonic — compare authentic 4b