1. Perennial herb of the eastern United States having arrowhead-shaped leaves and an elongate pointed spathe and green berries
   - green arrow arum, tuckahoe

Type of: arrow arum

• Sphenisciformes
• Spheniscus
• Spheniscus demersus
• Sphenodon
• Sphenodon punctatum
• sphenoid
• sphenoid bone
• sphenoid fontanel
• sphenoid fontanelle
• sphenoidal
• sphenoidal fontanel
• sphenoidal fontanelle
• Sphenopsida
• spheral
• sphere
• sphere of influence
• spheric
• spherical
• spherical aberration
• spherical angle
• spherical geometry
• spherical polygon
• spherical triangle
• spherical trigonometry
• spherically