Monotone
Pronunciation : Mon"o*tone
Part of Speech : n.
Etymology : [See Monotonous, Monotony.]
Definition : 1. (Mus.)
Defn: A single unvaried tone or sound.
2. (Rhet.)
Defn: The utterance of successive syllables, words, or sentences, on one unvaried key or line of pitch.
Source : Webster's Unabridged Dictionary, 1913