Webster’s Revised Unabridged Dictionary · 1913
Intone
In·tone′ (ĭn·tōn′), v. t. [imp. & p. p. Intoned; p. pr. & vb. n. Intoning.] [LL. intonare, intonatum; pref. in- in + L. tonus tone. See Tone and cf. Entune, Intonate.] To utter with a musical or prolonged note or tone; to chant; as, to intone the church service.
In·tone′, v. i. To utter a prolonged tone or a deep, protracted sound; to speak or recite in a measured, sonorous manner; to intonate. Pope.