1. The final or concluding round of a competition, game, or series of events
The boxer was exhausted in the last round of the match.
O boxeador estava exausto na última rodada da luta.
2. In drinking contexts, a final round of drinks for a group
Let me buy the last round before we leave the bar.
Deixe-me pagar a última rodada antes de sairmos do bar.
3. The final stage or opportunity in a selection or elimination process
Only three candidates made it to the last round of interviews.
Apenas três candidatos chegaram à última rodada de entrevistas.