1. A tropical or subtropical plant with arrow-shaped leaves and a distinctive flower spike, often grown as a houseplant.
Usage: Common in botanical and horticultural contexts
2. Any plant of the genus Arum, characterized by a spadix (flower spike) surrounded by a spathe (leaf-like bract).
Usage: Technical botanical term

Examples

• The arum plant in her living room had beautiful white flowers.
• Arums are popular ornamental plants in temperate climates.
• The arum's distinctive spathe protects the flower spike.
• She bought an arum at the garden center to brighten her office.
• Many species of arum are native to tropical regions.