The IUD or 'coil ' is a small plastic (or plastic and copper) device, not much longer than a match, which is placed inside your womb, where it prevents you from getting pregnant.

Look up coil in Wiktionary, the free dictionary.

A coil of rope lay on the beach. A coil of thick blue smoke rose up from his pipe.

Coil, in an electric circuit, one or more turns, usually roughly circular or cylindrical, of current-carrying wire designed to produce a magnetic field or to provide electrical resistance or inductance; in the …

1. to wind into continuous rings one above the other or one around the other. 2. to gather (rope, wire, etc.) into loops: Coil the garden hose and hang it up.

In a vehicle, the coil is the part on a petrol engine that sends electricity to the spark plugs.

An engine coil, formally known as an ignition coil, is a specialized transformer in the vehicle’s ignition system. Its fundamental purpose is to convert the low voltage supplied by the car’s battery, typically …