: a genus (family Rhamnaceae) of trees and shrubs that have small flowers and a fruit which is a drupe and that comprise the buckthorns (as cascara buckthorn, R. purshiana) of which some yield pigments or purgatives (as cascara sagrada)
Dictionary Entries Near Rhamnus
Cite this Entry
“Rhamnus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Rhamnus. Accessed 30 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share