Enter a clue or pattern or both:
The Clue
Invention of 1868 (8 letter answer)
The Answer
AIRBRAKE
Tags
Notes
The answer AIRBRAKE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Westinghouse's invention: 1868
Mechanical device that operates by compression
Definition
AIRBRAKE as a noun:
1. (airbrake, dive brake) = a small parachute or articulated flap to reduce the speed of an aircraft
2. a vehicular brake that operates by compressed air; especially for heavy vehicles