buckthorn family buckt·horn·fa·mily uncommon noun 1. trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value SynonymsRhamnaceaefamily Rhamnaceaebuckthorn family Related words Broader terms dicot family Parts Rhamnales Part of RhamnusColubrinaZiziphusPaliurusPomaderris WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
