plagal
Pronunciation: /ˈpleɪg(ə)l/
Definition of plagal
adjective
Music- (of a church mode) containing notes between the dominant and the note an octave higher. Compare with authentic.
Origin:
late 16th century: from medieval Latin plagalis, from plaga 'plagal mode', from Latin plagius, from medieval Greek plagios (hēkhos) 'plagal (mode)', from Greek plagos 'side'