| Noun | 1. | aroid - any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spatheArisaema dracontium, green dragon - early spring-flowering plant of eastern North America resembling the related jack-in-the-pulpit but having digitate leaves, slender greenish yellow spathe and elongated spadix caladium - any plant of the genus Caladium cultivated for their ornamental foliage variously patterned in white or pink or red dracontium - any plant of the genus Dracontium; strongly malodorous tropical American plants usually with gigantic leaves herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests | |