1. A course of study or instruction that was taken before the current one
You should review the material from the previous course before starting this advanced class.
Você deveria revisar o material do curso anterior antes de começar esta aula avançada.
2. In navigation, the direction or path that was being followed before a change in direction
The ship returned to its previous course after avoiding the storm.
O navio voltou ao seu curso anterior depois de evitar a tempestade.