Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun arum

2 senses of arum

Sense 1
arum -- (starch resembling sago that is obtained from cuckoopint root)
       => starch, amylum -- (a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles)

Sense 2
arum, aroid -- (any plant of the family Araceae; have small flowers massed on a spadix surrounded by a large spathe)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)