alligator clip
noun/ˈælɪɡeɪtə klɪp/
/ˈælɪɡeɪtər klɪp/
(especially North American English) (also crocodile clip especially British English)
- an object with sharp teeth that is used for holding things together. It is held closed by a spring and you press the ends of it together to open it.
Check pronunciation:
alligator clip