Enter a clue or pattern or both:
The Clue
Double-up betting system (10 letter answer)
The Answer
MARTINGALE
Tags
Notes
The answer MARTINGALE is so rare that it appears less than once every 2500 puzzles.
Definition
MARTINGALE as a noun:
1. a harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head
2. (dolphin striker, martingale) = spar under the bowsprit of a sailboat