coil

Think of a snake getting ready to strike—it coils its body, winding into a tight spiral. That's the core idea. A coil can be something naturally shaped like that, like a spring, or something you make: a garden hose or rope neatly wound into loops for storage. As a verb, to coil means to wind or curl something around itself in repeated turns.

A ship’s ropes are often kept in coils, and an electrical coil is a key part of many modern devices. If someone feels "coiled up," they are usually tense, holding back energy. The word works as both a noun (the spiral shape) and a verb (the action of making it).

To coil means to wind or wrap something around itself repeatedly, creating a spiral or looped shape. You can see this in nature and everyday life: vines coil around trees for support, springs store energy when compressed, and snakes coil before they strike. It also works as the noun for that shape.

As a noun, a coil is the spiral itself, like the coil of a spring or the coil of wire in an electric motor. On a ship, heavy coils of rope are kept ready for use.

Coiling is also a style in pottery making. Ancient and traditional potters built up the walls of vessels by shaping long ropes of clay in spirals, a technique still used by many ceramic artists today.

In a non-physical sense, "coiled up" describes someone tense and tightly controlled, as if they are ready to spring into action. A detective may also "coil" a suspect by questioning them from every side, slowly tightening the pressure.

Whether it refers to a shape, a device part, a craft method, or a tense state, coil usually points to something that winds, bends, and gathers in loops.