1. The times of day when the greatest number of people are using a service or facility, resulting in maximum demand and congestion
Public transportation is always crowded during peak hours.
O transporte público fica sempre lotado durante as horas de pico.
2. The busiest periods in terms of business activity or usage
The restaurant offers discounts if you dine outside of peak hours.
O restaurante oferece descontos se você comer fora das horas de pico.