n.1 the practice or art of singing psalms, hymns, etc., esp. in public worship.
2 a the arrangement of psalms for singing. b the psalms so arranged.
Derivatives:
psalmodic adj. psalmodist n. psalmodize v.intr. (also -ise).
Etymology: ME f. LL psalmodia f. Gk psalmoidia singing to a harp (as PSALM, oide song)