Vibrato

имя существительное [итальянский язык, множественное число] vibratos; [музыка] вибрато

Большой англо-русский словарь

Vibrato

noun (plural -tos) Etymology: Italian, from past participle of vibrare to vibrate, from Latin a slightly tremulous effect imparted to vocal or instrumental tone for added warmth and expressiveness by slight and rapid variations in pitch • vibratoless adjective

Merriam-Webster's Collegiate Dictionary