Curl

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

American chemist who with Richard Smalley and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1933)

a strand or cluster of hair

form a curl, curve, or kink

shape one's body into a curl

wind around something in coils or loops

twist or roll into coils or ringlets

play the Scottish game of curling