Definition of rhamnaceous in English:

rhamnaceous

adjective

Botany
  • Belonging to or characteristic of the family Rhamnaceae, comprising mainly flowering shrubs and small trees, and typified by the buckthorns.

Origin

Mid 19th century; earliest use found in The Penny Cyclopaedia. From rhamnus + -aceous, after scientific Latin Rhamnaceae, family name.

Pronunciation

rhamnaceous

/ramˈneɪʃəs/