Whorl
Part of speech: noun
Definition: A pattern of concentric circles. A circle of three or more leaves, flowers, or other organs, about the same part or joint of a stem. A volution, or turn, of the spire of a univalve shell. A flywheel, a weight attached to a spindle, cf. 1460.
Curlicue
Part of speech: noun
Definition: A fancy twisting or curling shape made from a series of concentric circles.
Part of speech: verb
Definition: To make or adorn (something) with curlicues, or as if with curlicues