The team is looking to 'defend' its national title. [=to win the national title again]
As a U.S. senator, it is my responsibility to 'defend' [='uphold'] the Constitution.
She successfully 'defended' her championship. [=she won the championship again]
(..) - Ow! - Good. How is that good? She just stabbed me. She fucking just stabbed me. Well, then learn to defend yourself. You kill her. Yeah, thank you. Let's try that. Okay. This is where she goes... (..)2016 Captain Fantastic