ritenuto
/ˌrɪtɛˈn(j)uːtəʊ
/Music
adverb & adjective
(Especially as a direction) with an immediate reduction of speed.What of the conductor who fails to execute adequately the rallentando or the ritenuto markings on his musical score?
noun (plural ritenutos or ritenuti /ˌrɪtɛˈn(j)uːti/)
An immediate reduction of speed.
Origin
Italian, literally 'retained, restrained'.