whorl

nouns

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

coil, curl, curlicue, gyre, ringlet, roll, scroll, whorl

a strand or cluster of hair

curl, lock, ringlet, whorl

a structure consisting of something wound in a continuous series of loops

"a coil of rope"

coil, helix, spiral, volute, whorl