turtle curb
nounEtymology From turtle (“from its half-turtle-shell-like shape”) + curb.
1
Hobbies, Lifestyle, Motor racing, Racing, Sports A type of curb and speed bump found on motor racing tracks, having an oblong shape and elevated profile of a turtleshell, used for path and areal denial to delimit track limits, and launch vehicles into the air, blow-out suspensions, rip-out undercarriages, of those who choose to run over it.