HALLELU'IAH, n. [Heb. praise ye Jah or Jehovah, to praise,that is, to throw, or raise the voice, to utter a loud sound; L. ululo.]

Praise ye Jehovah; give praise to God; a word used in songs or praise, or a term of rejoicing in solemn ascriptions of thanksgiving to God. It is used as a noun, or as an exclamation.