Bot. [f. ARUM + -OID. The N.O. Araceæ is also called Aroideæ.] A plant allied to the Arum or Wake-robin; an arad. Aroideous a., allied to Arum.
1830. Lindley, Nat. Syst. Bot., 252. The eatable Aroideous plants, Orchises, Yams.
1860. Lett., in Athenæum, 29 June (1861), 863. Festoons of aroideous plants.
1876. H. Evershed, in Macm. Mag., XXXIV. 53. The moist and heated air covers the … trunks of trees with a drapery of aroids.
