1. In nautical law, the course a vessel is legally required to follow under collision avoidance regulations
The ship maintained its proper course despite the approaching vessel.
O navio manteve seu rumo apropriado apesar do navio que se aproximava.
2. The correct or appropriate direction or procedure to follow in any situation
The government must stay on its proper course to achieve economic stability.
O governo deve manter seu rumo apropriado para alcançar a estabilidade econômica.