primarily denoted "a striking or twitching with the fingers (on musical strings);" then, "a sacred song, sung to musical accompaniment, a psalm." It is used (a) of the OT book of "Psalms," Luke 20:42; 24:44; Acts 1:20; (b) of a particlular "psalm," Acts 13:33 (cp. ver. 35); (c) of "psalms" in general, 1 Corinthians 14:26; Ephesians 5:19; Colossians 3:16 .
Note: For psallo, rendered "let him sing psalms" in James 5:13 , see MELODY , SING.