1) Chant, old style 
intone, entone 1. The action of intoning; the tone of voice used in intoning. 2. To sing the opening phrase of a plain-song melody at the beginning of a chant, canticle, etc., usually as a solo or semichorus. 3. To utter with a particular tone or intonation. 4. To utter tones, as in singing or speaking; 'to make a slow protracted noise'.