'Rhamnaceous' definitions:

Definition of 'Rhamnaceous'

From: GCIDE

Rhamnaceous \Rham*na"ceous\, a. (Bot.) Of or pertaining to a natural order of shrubs and trees (Rhamnaceae, or Rhamneae) of which the buckthorn (Rhamnus) is the type. It includes also the New Jersey tea, the supple-jack, and one of the plants called lotus (Zizyphus). [1913 Webster]