Word Study
verticil
CIDE DICTIONARY
verticil, n. [L. verticillus, dim. of vertex a whirl: cf. F. verticille. See Vertex.].
A circle either of leaves or flowers about a stem at the same node; a whorl. [1913 Webster]
OXFORD DICTIONARY
verticil, n. Bot. & Zool. a whorl; a set of parts arranged in a circle round an axis.
Derivative
verticillate adj.
Etymology
L verticillus whorl of a spindle, dimin. of VERTEX
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