WordReference Random House Unabridged Dictionary of American English © 2025
ge•ra•ni•a•ceous
( ji rā′nē ā′shəs),USA pronunciation adj.
- Plant Biologybelonging to the Geraniaceae, the geranium family of plants. Cf. geranium family.
- Neo-Latin Geraniace(ae) (see geranium, -aceae) + -ous
'geraniaceous' also found in these entries (note: many are not synonyms or translations):