1. Plural of bott; the larva of a botfly, a parasitic insect that infests the skin or digestive system of mammals, especially horses and cattle.
Usage: veterinary/agricultural context; usually plural
2. Plural of bott; small rounded objects or studs, especially reflective road markers or decorative fasteners.
Usage: chiefly British; informal

Examples

• The veterinarian removed botts from the horse's stomach.
• Cattle can suffer from botts if they graze in contaminated pastures.
• The road was lined with reflective botts to guide drivers at night.
• Botts on the pavement help prevent accidents in poor visibility.
• The farmer treated his animals to prevent botts infestation.