1. a viral disease of plants, especially potatoes and grapevines, characterized by rolling or curling of leaves
Usage: agriculture; plant pathology

1. to roll up or curl (a leaf or leaves)
Usage: rare; chiefly botanical

Examples

• The potato crop was devastated by leafroll virus.
• Leafroll disease is transmitted by aphids to grapevines.
• Farmers monitor their fields for signs of leafroll infection.
• The infected plant began to leafroll as the virus spread.
• Leafroll affects both the appearance and yield of affected plants.