1. An exact direction or course, typically measured in degrees, used in navigation, aviation, or surveying
The pilot maintained a precise heading of 180 degrees south.
O piloto manteve um rumo preciso de 180 graus para o sul.
2. A specific and accurate directional bearing or trajectory
The ship adjusted its precise heading to avoid the storm.
O navio ajustou seu rumo preciso para evitar a tempestade.