jumpout

noun

1. A separation from a groove, track, etc., that otherwise constrains motion.

   “Encroachment into potential flood avenues resulted in jumpouts, flooding, and extensive siltation.”

2. A ramp or other construction that allows wildlife to exit safely from a freeway, highway, etc.
3. (Australia)An unofficial trial race.

   “The few who attended Tuesday's important Lightning Stakes jumpouts at Flemington on Tuesday may have been put off by Swick's lethargic display.”

   “I did get to ride in a couple of barrier jumpouts, but even that was sprung on me. I was riding a horse towards the track when Murty said it was going for a jumpout, a sprint about 400 metres from the barriers down the home straight.”

4. (US, slang)A plainclothes narcotics officer.

   ““Well, I figured if the jumpouts came they wouldn′t search her,” says Rosa Lee. “They′d search me but they wouldn′t find nothing.””