1. A group of players or soldiers organized to defend against attack or opposing forces
The defensive unit played exceptionally well in the second half.
A unidade defensiva jogou excepcionalmente bem no segundo tempo.
2. In military contexts, a tactical formation responsible for protecting a position or area
The defensive unit held the fortification against repeated assaults.
A unidade defensiva manteve a fortificação contra ataques repetidos.
3. In sports, the players on a team whose primary role is to prevent the opposing team from scoring
The team's defensive unit needs to improve their coverage.
A unidade defensiva do time precisa melhorar sua cobertura.