jumper
US /ˈdʒʌm.pɚ/
UK /ˈdʒʌm.pɚ/

1.
2.
a person or animal that jumps
:
•
The horse is a good jumper and cleared the fence easily.
•
He's a skilled long jumper.
3.
a short connecting wire with clips at each end, used for making temporary connections to electrical circuits
:
•
We used a jumper to bypass the faulty switch.
•
The technician connected the two points with a small jumper.