coils

a structure consisting of something wound in a continuous series of loops;
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
a transformer that supplies high voltage to spark plugs in a gasoline engine
a contraceptive device placed inside a woman's womb
tubing that is wound in a spiral
reactor consisting of a spiral of insulated wire that introduces inductance into a circuit
to wind or move in a spiral course;
make without a potter's wheel;
wind around something in coils or loops

coils is a valid Scrabble (US) TWL word

coils is a valid Scrabble Word in Merriam-Webster MW Dictionary

coils is a valid Scrabble Word in International Collins CSW Dictionary

coils is a valid Words With Friends word