A type of curb/kerb 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.
Origin
turtle + curb, from its half-turtle-shell-like shape.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.