trem·o·lan·do I. adverb (or adjective) alsotrem·u·lan·do\ˌtreməˈlän(ˌ)dō\ Etymology: Italian, literally, trembling, from Medieval Latin tremulandum, gerund of tremulare to tremble — more at tremble : tremulous — used as a direction in music to perform in a tremolo II. noun alsotremulando\“\ (pluraltremolandos \-ōz\ ; ortremolan·di \-ndē\) : a tremolo effect especially by the strings of an orchestra