jumpouts

Noun

jumpout (plural jumpouts)

1. A separation from a groove, track, etc., that otherwise constrains motion.
   • Encroachment into potential flood avenues resulted in jumpouts, flooding, and extensive siltation.1995, John E. Costa, Natural and Anthropogenic Influences in Fluvial Geomorphology: The Wolman volume, page 210
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.2009 January 31, Matt Stewart, “Bart Cummings ready to derail Lightning match race”, in Herald Sun, archived from the original on 05 Feb 2009
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.”1997, Leon Dash, Rosa Lee: A Mother and Her Family in Urban America, page 33