1.Definition: a contraceptive device placed inside a woman's womb

Category: Objects

2.Definition: a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

Related Noun(s):curl, curlicue, gyre, ringlet, roll, scroll, whorl

Category: General

3.Definition: a structure consisting of something wound in a continuous series of loops

"A coil of rope"

Related Noun(s):helix, spiral, volute, whorl

Category: Objects

4.Definition: a transformer that supplies high voltage to spark plugs in a gasoline engine

Category: Objects

5.Definition: reactor consisting of a spiral of insulated wire that introduces inductance into a circuit

Category: Objects

6.Definition: tubing that is wound in a spiral

Category: Objects