Noun

1. Armor or a suit of armor.
2. The rotating part of an electric motor or dynamo, which mostly consists of coils of wire around a metal core.
3. The moving part in an electromechanical device like a loudspeaker or a buzzer.
4. A piece of soft steel or iron that connects the poles of a magnet
5. A supporting framework in a sculpture.
6. A protective organ, structure, or covering of an animal or plant, for defense or offense, like claws, teeth, thorns, or the shell of a turtle.