Crossword Genius

Bungee jumper's attachment (4)

Ross

I believe the answer is:

cord

(Other definitions for cord that I've seen before include "Thin rope" , "Small rope; flex" , "Strong string" , "A measure of cut wood" , "Small rope or thick string" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.