WordReference Random House Unabridged Dictionary of American English © 2026
a•pi•a•ceous
(ā′pē ā′shəs),USA pronunciation adj.
- Plant Biologybelonging to the Apiaceae, an alternative name for the plant family Umbelliferae. Cf. parsley (def. 4).
- Neo-Latin Apiace(ae) (Api(um) a genus (Latin: celery, parsley) + -aceae -aceae) + -ous
- 1830–40