7 letters · 9 points in Scrabble
noun (music) a tremulous effect produced by rapid repetition of a single tone or rapid alternation of two tones
noun vocal vibrato especially an excessive or poorly controlled one
originBorrowed from Italian tremolo, first-person present indicative of tremolare (“to shake, to tremble”). Origin: 1715-25.
Etymology from Wiktionary, CC BY-SA 3.0