Portamento
Pronunciation : Por`ta*men"to
Part of Speech : n.
Etymology : [It., fr. portare to carry.] (Mus.)
Definition : Defn: In singing, or in the use of the bow, a gradual carrying or lifting of the voice or sound very smoothly from one note to another; a gliding from tone to tone.
Source : Webster's Unabridged Dictionary, 1913