plural nounsing. -·no·
kettledrums; esp., a set of kettledrums of different pitches played by one performer in an orchestra
Origin of timpaniIt, plural of timpano from Classical Latin tympanum: see tympan
plural nounused with a sing. or pl. verb
A set of tunable kettledrums typically used in the percussion section of a symphony orchestra.
Origin of timpaniItalian pl. of timpano kettledrum from Latin tympanum drum ; see tympanum .
(usually uncountable, plural timpanis)