-mə̇st noun
( -s )
Etymology: Late Latin psalmista, from Late Greek psalmistēs, from psalmizein to sing psalms, from Greek psalmos psalm + -izein -ize
1. : a writer or composer of sacred songs ; especially : one of the authors of the Psalms
2. : a precentor, cantor, or member of the lower ranks of the clergy who leads or sings the music in public worship (as in the Eastern Orthodox Church)