Whorl

Chamber's Twientieth Century Dictionary · 1908 · p. 123

hworl, n. a number of leaves in a circle round the stem: a turn in a spiral shell: a volution—e.g. in the ear: the fly of a spindle.— p.adj. Whorled , having whorls: arranged in the form of a whorl or whorls. [By-form of whirl .]