Praise ye the Lord: a word used in songs of praise or pious rejoicing, or in solemn ascriptions of thanksgiving to God.
Specifically, a musical composition wholly or principally based upon the word halleluiah: as, the Halleluiah (chorus) in Handel's “Messiah” or in Beethoven's “Mount of Olives.”
noun.
See halleluiah, interj.
noun.
In botany, same as alleluia, 2.