1. An insurance policy that covers a single individual or a single risk, as opposed to a group policy or umbrella coverage
She purchased a single policy to cover her rental apartment.
Ela comprou uma apólice única para cobrir seu apartamento alugado.
2. In insurance and risk management, a standalone policy not combined with other coverage options
The company decided to buy a single policy for each vehicle instead of a fleet policy.
A empresa decidiu comprar uma apólice única para cada veículo em vez de uma apólice de frota.