Enter a clue or pattern or both:
The Clue
Like many a disabled semi (10 letter answer)
The Answer
JACKKNIFED
Tags
Notes
The answer JACKKNIFED is so rare that it appears less than once every 2500 puzzles.
Definition
JACKKNIFE as a verb:
1. dive into the water bending the body at the waist at a right angle, like a jackknife