Source : Webster's Revised Unabridged Dictionary (1913)

Canticle \Can"ti*cle\, n.; pl. {Canticles}. [L. canticulum a
   little song, dim. of canticum song, fr. cantus a singing, fr.
   coner to sing. See {Chant}.]
   1. A song; esp. a little song or hymn. [Obs.] --Bacon.

   2. pl. The Song of Songs or Song of Solomon, one of the books
      of the Old Testament.

   3. A canto or division of a poem [Obs.] --Spenser.

   4. A psalm, hymn, or passage from the Bible, arranged for
      chanting in church service.

Source : WordNet®

canticle
     n : a hymn derived from the Bible