1. [ noun ] (botany) common American spring-flowering woodland herb having sheathing leaves and an upright club-shaped spadix with overarching green and purple spathe producing scarlet berries
Synonyms: wake-robin Arisaema_triphyllum Arisaema_atrorubens Indian_turnip
Related terms: arum Arisaema
2. [ noun ] (botany) common European arum with lanceolate spathe and short purple spadix; emerges in early spring; source of a starch called arum
Synonyms: lords-and-ladies Arum_maculatum cuckoopint
Related terms: arum genus_Arum arum
Similar spelling:   jack-in-the-box