The Collaborative International Dictionary
Aroideous
Aroid \A"roid\, Aroideous \A*roid"e*ous\, a. [Arum + -oid.] (Bot.) Belonging to, or resembling, the Arum family of plants ( Araceae).
Syn: araceous
Wiktionary
aroideous
a. (context botany English) Of or relating to the aroids.