Aroid \Ar"oid\, n. [Arum + -oid.] (Bot.) Any plant of the Arum family ({Arace[ae]}). Aroid \A"roid\, Aroideous \A*roid"e*ous\, a. [Arum + -oid.] (Bot.) Belonging to, or resembling, the Arum family of plants.
aroid adj : relating to a plant of the family Araceae [syn: {araceous}] n : any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe [syn: {arum}]