The Oxford Thesaurus An A-Z Dictionary of Synonyms - chant n.

1) song, psalm, hymn, canticle, plainsong, plainchant, mantra, paean, dirge, monody, descant, carol; singsong: The war chant of the natives, echoing over the water, struck fear into their enemies. --v. 2) sing, intone, descant, carol: The choir chanted the verses of a lugubrious threnody.