falloff

noun3

1. •
   A reduction or decline.

   • In those portions of District 2 outside of South Boston the falloff in voter participation was dramatic. — 1983
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. — 1995
3. •
   The noticeable retraction and falling movement of a buck from a doe, usually indicating successful insemination.