'Vaginant leaf' definitions:

Definition of 'Vaginant leaf'

From: GCIDE

Vaginant \Vag"i*nant\, a. [Cf. F. vaginant. See Vagina.] Serving to invest, or sheathe; sheathing. [1913 Webster]
Vaginant leaf (Bot.), a leaf investing the stem or branch by its base, which has the form of a tube. [1913 Webster] Vaginate