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]
(..) to an older, wiser brother? These people who are running away, they're not warriors. They are not the ones who will stay and fight to defend this kingdom. And protect their honor. For what is a warrior without his honor? (CHUCKLES) I don't know. You tell me, brother. And, tell me again, (..)2017 TvShow: Vikings Title: On the Eve Season: 4 Episode 19