The Collaborative International Dictionary
Psalmographer
Psalmographer \Psal*mog"ra*pher\, Psalmographist \Psal*mog"ra*phist\, n. [L. psalmographus, Gr. ?; ? a psalm + ? to write.] A writer of psalms, or sacred songs and hymns.
Wiktionary
psalmographer
n. A writer of psalms; a psalmist.