n.
Pronunciation: ˌ rä-l ə n- ' tän-( ˌ )d ō
Function: adverb or adjective
Etymology: Italian, literally, slowing down, verbal of rallentare to slow down again, from re- + allentare to slow down, from Late Latin, from Latin al- ad- + lentus slow, pliant ― more at LITHE
Date: 1800
: RITARDANDO