pedrail /pedˈrāl/

1. A tractor with footlike pieces on the circumference of its wheels
2. One of the pieces

• thoraxes
• thoria
• thorias
• thorite
• thorites
• thorium
• thoriums
• thorn
• thorn apple
• thorn apples
• thornback
• thornbacks
• thornbill
• thornbills
• thornbird
• thornbirds
• thornbush
• thornbushes
• thorned
• thornhedge
• thornhedges
• thornier
• thorniest
• thorniness
• thorninesses