u-link
nounUK /ˈjuː lɪŋk/
US /ˈjuː lɪŋk/
A u-link is a curved metal piece shaped like the letter U that joins two things together.
The worker used a u-link to connect the two chains.
OTHER MEANINGS
2. A short U-shaped bar used to attach a trailer or tow rope to a vehicle.
He hooked the tow rope onto the u-link at the back of the truck.
3. A curved connector in a plumbing or pipe system that joins two pipes.
The plumber replaced the rusty u-link under the sink.
4. A U-shaped fitting used to hold a cable or rope in place.
Make sure the u-link is tight so the cable does not slip.