WHORL

n. spiral or circular arrangement of leaves or flowers (Botany); spiral (of a shell, fingerprint, etc.)

Whorl is a type of spiral pattern.Other meanings of whorl include:Whorl (mollusc), a single, complete 360° turn in the spiral growth of a mollusc shellBody whorl, in a mollusc shell the most recently formed whorl of a spiral shell, terminating in the apertureA whorl of sepals or petals or leaves on plants, in which all the parts are attached at the same point and surround or wrap around the stem.In biology a whorl might occur at the ends of different structures or occur in the middle of structures. It's often used to describe the structures of organs and used in the aid of identification. It's a cluster of cells or tissue that surround another, that starts at the same plain of axis or starts at one point and wraps around that point in an expanding circular pattern. A type of fingerprint patternA weight attached to a spindle
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Noun
1. a round shape formed by a series of concentric circles
(synonym) coil, roll, curl, curlicue, ringlet, gyre, scroll
(hypernym) round shape
(hyponym) corolla
2. a strand or cluster of hair
(synonym) lock, curl, ringlet
(hypernym) hair
(hyponym) sausage curl
(part-holonym) hairdo, hair style, coiffure
3. a structure consisting of something wound in a continuous series of loops; "a coil of rope"
(synonym) coil, spiral, volute, helix
(hypernym) structure, construction
(hyponym) hank

(n. & v.)
The fly of a spindle.
  

(n. & v.)
A volution, or turn, of the spire of a univalve shell.
  

(n. & v.)
A circle of two or more leaves, flowers, or other organs, about the same part or joint of a stem.
  

Synonyms and related words:
cirrus, coil, contort, corkscrew, crinkle, curl, curlicue, eddy, evolute, gurge, gyre, helix, intort, involute, kink, meander, purl, ringlet, roll, scallop, screw, scroll, serpentine, slink, snake, spiral, swirl, tendril, turn, twine, twirl, twist, twist and turn, volute, volution, vortex, whirl, whirlpool, wind, worm, wring