WordReference Random House Unabridged Dictionary of American English © 2026
fa•ba•ceous
(fə bā′shəs),USA pronunciation adj.
- Plant Biologybelonging to the Fabaceae, an alternative name for the plant family Leguminosae. Cf. legume family.
- Neo-Latin Fabace(ae) (Fab(a) the type genus (Latin: bean) + -aceae -aceae) + -ous
- 1720–30