crocodile clip 
noun chiefly British
A sprung metal clip with long, serrated jaws, used attached to an electric cable for making a temporary connection to a battery or other component.There was a single lamp plugged into the generator, with a mesh over the bulb end and a crocodile clip on the other....
- If they are used for promotional reasons they will probably have attached some kind of accessories like crocodile clips, Dog clips, mobile phone holders.
- People are snooping on our lives, and you can too with cheap laptops, a few crocodile clips and a battered old van.
- grey goods
- grey goose
- grey-goose shaft
- grey-goose wing
- grey grub
- grey gum
- grey-haired
- grey hairstreak
- greyhead
- grey-headed
- greyhen
- greyhound
- greyhound fox
- greyhound race
- greyhound racing
- orographic
- orographical
- orographically
- orography
- Orohippus
- orohydrographic
- orohydrographical
- orohydrography
- oroide
- orolingual