Firm. (1.) “The Ezrahite,” distinguished for his wisdom (1 Kings 4:31). He is named as the author of the 89th Psalm. He was of the tribe of Levi.
(2.) A Levite of the family of Merari, one of the leaders of the temple music (1 Chr. 6:44; 15:17, 19). He was probably the same as Jeduthun. He is supposed by some to be the same also as (1).