Aĭ'le-lū'ia or Aĭ'le-lū'iah, n.

[Heb. halelū-yāh, praise (you) Jehovah, from halal, Pi., to praise, and yāh, an abbrev. form for yehōwah, Jehovah, God. See JEHOVAH and HALLELUIAH.] Praise Jehovah;— hence, a song or ascription of praise to God.

I heard a great voice of much people in heaven, saying, Alleluia. Rev. xix. 1.