alligator clip

US /ˈæl.ɪ.ɡeɪ.tər klɪp/
UK /ˈæl.ɪ.ɡeɪ.tər klɪp/
"alligator clip" picture
1.

caimán, pinza de cocodrilo

a clip with long, toothed jaws that is sprung shut, used for making temporary electrical connections or for holding things together

:
He used an alligator clip to connect the battery to the circuit.
Usó un caimán para conectar la batería al circuito.
The loose wires were held together with an alligator clip.
Los cables sueltos se sujetaron con un caimán.