I. adverb (or adjective)
also trem·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
also tremulando “
( plural tremolandos -ōz ; or tremolan·di -ndē)
: a tremolo effect especially by the strings of an orchestra