1. Military forces that are part of a nation's official armed forces, as opposed to militia, reserves, or irregular forces
The general deployed regular troops to secure the border.
O general deslocou tropas regulares para assegurar a fronteira.
2. Trained and uniformed soldiers serving in a permanent, organized military structure
Regular troops undergo rigorous training and discipline.
As tropas regulares passam por treinamento rigoroso e disciplina.