WordReference Random House Unabridged Dictionary of American English © 2026
men•tha•ceous
(men thā′shəs),USA pronunciation adj.
- Plant Biologybelonging to the Menthaceae, a former name for the plant family Labiatae. Cf. mint family.
- Neo-Latin Menthace(ae) (Menth(a) the type genus (Latin: mint1) + -aceae -aceae) + ous