falloff

noun

1. A reduction or decline.

   “In those portions of District 2 outside of South Boston the falloff in voter participation was dramatic.”

2. A note immediately followed by a rapidly descending group of notes.

   “Jazz symbols include many contoured articulations and inflections, such as doits, fall-offs, and scoops.”

3. The noticeable retraction and falling movement of a buck from a doe, usually indicating successful insemination.