A song; a melody.

And be not drunk with wine, wherein is excess; but be filled with the Spirit; speaking to yourselves in PSALMS and hymns and spiritual songs, singing and making melody in your heart to the Lord; giving thanks always for all things unto God and the Father in the name of our Lord Jesus Christ; submitting yourselves one to another in the fear of God. ( Ephesians 5:18-21 )

Source: A King James Dictionary. (Used with permission. Copyright © Philip P. Kapusta)

Bibliography Information

"Entry for 'Psalm'". A King James Dictionary.