n.
Pronunciation: ˌ d ā -kr ə - ' shen-( ˌ )d ō
Function: noun
Inflected Form: plural -dos
Etymology: Italian, literally, decreasing, from Latin decrescendum, gerund of decrescere
Date: 1877
1 : a gradual decrease in volume of a musical passage
2 : a decrescendo musical passage
decrescendo[1]