vernation

[ ver-ney-shuh n ]
/ vərˈneɪ ʃən /

noun Botany.

the arrangement of the foliage leaves within the bud.

Origin of vernation

1785–95; < New Latin vernātiōn- (stem of vernātiō), equivalent to Latin vernāt(us) (past participle of vernāre to be verdant; see vernal, -ate1) + -iōn- -ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vernation

British Dictionary definitions for vernation

vernation

/ (vɜːˈneɪʃən) /

noun

the way in which leaves are arranged in the bud

Word Origin for vernation

C18: from New Latin vernātiō, from Latin vernāre to be springlike, from vēr spring
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

Science definitions for vernation

vernation

[ vûr-nāshən ]

The arrangement of young foliage leaves within a bud. The coiled arrangement of young leaves in fern fiddleheads is known as circinate vernation and protects the delicate leaf tips as they develop.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.