Vernation

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  vernation
       n : (botany) the arrangement of young leaves in a leaf bud
           before it opens