- a whorl or circle, as of leaves or hairs, arranged around a point on an axis.
Origin of verticil
1695–1705; < Latin verticillus spindle whorl, equivalent to vertic- (stem of vertex) vertex + -illus diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for verticil
At the middle, or in the distal half, each spine bears a verticil of three strong, irregularly formed ramified branches.
The distal end of each radial tube bears usually a verticil of four to eight similar pediculate spathill.
Verticil: one of the whorls of long fine sensitive hair arranged symmetrically on the joints of the antennae in certain Diptera.Explanation of Terms Used in Entomology
John. B. Smith
Each spine between the two shells has a verticil of three forked lateral branches (fig. 9a).
- biology a circular arrangement of parts about an axis, esp leaves around a stem
C18: from Latin verticillus whorl (of a spindle), from vertex
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012