COIL

I. noun Etymology: origin unknown Date: 1567 turmoil , trouble , II. verb see: cull Date: 1611 transitive verb to wind into rings or spirals , to roll or twist into a shape resembling a ~ , intransitive verb to move in a circular or spiral course, to form or lie in a ~, ~ability noun III. noun Date: 1661 1. a. a series of loops, spiral , a single loop of such a ~, 2. a number of turns of wire wound around a core (as of iron) to create a magnetic field for an electromagnet or an induction ~, induction ~ , a series of connected pipes in rows, layers, or windings, a roll of postage stamps