NOUN (2)

1. one of the 150 lyrical poems and prayers that comprise the Book of Psalms in the Old Testament; said to have been written by David;

2. any sacred song used to praise the deity;


VERB (1)

1. sing or celebrate in psalms;
- Example: "He psalms the works of God"

The Collaborative International Dictionary of English v.0.48:

Psalm \Psalm\, n. [OE. psalm, salm, AS. sealm, L. psalmus,
   psalma, fr. Gr. ?, ?, fr. ? to pull, twitch, to play upon a
   stringed instrument, to sing to the harp: cf. OF. psalme,
   salme, F. psaume.]
   1. A sacred song; a poetical composition for use in the
      praise or worship of God.
      [1913 Webster]

            Humus devout and holy psalms
            Singing everlastingly.                --Milton.
      [1913 Webster]

   2. Especially, one of the hymns by David and others,
      collected into one book of the Old Testament, or a modern
      metrical version of such a hymn for public worship.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Psalm \Psalm\, v. t.
   To extol in psalms; to sing; as, psalming his praises.
   --Sylvester.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Psalm
    n 1: one of the 150 lyrical poems and prayers that comprise the
         Book of Psalms in the Old Testament; said to have been
         written by David
    2: any sacred song used to praise the deity
    v 1: sing or celebrate in psalms; "He psalms the works of God"