'Vernation' definitions:
Definition of 'vernation'
(from WordNet)
noun
(botany) the arrangement of young leaves in a leaf bud before it opens
Definition of 'Vernation'
From: GCIDE
- Vernation \Ver*na"tion\, n. [F. vernation: cf. L. vernatio the sloughing of the skin of snakes.] (Bot.) The arrangement of the leaves within the leaf bud, as regards their folding, coiling, rolling, etc.; prefoliation. [1913 Webster]