coil
nounUK /kɔɪl/
US /kɔɪl/
A coil is a long thing wound round and round in circles.
She wound the garden hose into a neat coil.
OTHER MEANINGS
2. To wind something around in circles.
The snake coiled itself around the branch.
3. A spiral of wire that carries electricity.
The heater uses a hot coil to warm the room.
4. A small loop of wire placed inside the body to help blood flow.
The doctor put a coil in to prevent pregnancy.