/
wɔːl, 
wəːl/
n.
    - Zoology  each of the convolutions in the shell of a gastropod or ammonoid mollusc.
 - Botany  a set of leaves, flowers, or branches springing from the stem at the same level and encircling it. 
▸(in a flower) each of the sets of organs, especially the petals and sepals, arranged concentrically round the receptacle.
 - a complete circle in a fingerprint.
 - chiefly historical a small wheel or pulley in a spinning wheel, spinning machine, or spindle.
 
v.
 literary spiral or move in a twisted or convoluted fashion.
Derivative
Etymology
ME (denoting a small flywheel): appar. a var. of whirl, influenced by OE wharve ‘whorl of a spindle’.