chant
     n : a repetitive song in which as many syllables as necessary
         are assigned to a single tone
     v 1: recite with musical intonation; recite as a chant or a
          psalm; "The rabbi chanted a prayer" [syn: {intone}, {intonate},
           {cantillate}]
     2: utter monotonously and repetitively and rhythmically; "The
        students chanted the same slogan over and over again"
        [syn: {tone}, {intone}]
Source: WordNet® 2.0