COILED

To wind or reel e.g. a wire or rope into regular rings, often around a centerpiece.

"A simple transformer can be made by coiling two pieces of insulated copper wire around an iron heart."

To wind into loops (roughly) around a common center.

"The sailor coiled the free end of the hawser on the pier."

To wind cylindrically or spirally.

"The snake coiled itself before springing."

In the form of coils; having coils.

"a coiled serpent"

Prepared and poised to act, like a snake that has coiled its lower body so it can strike.