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]
(..) So, bro, you friends with this cop? Nah. This thirsty-ass bitch is just desperate for attention. Thirsty-ass bitch? Okay, Captain, now I know you're going to step in and defend me. Well, you were begging me to compliment you earlier. Oh, my God. This is the worst day of my life. - Where's Charles? (..)2017 TvShow: Brooklyn Nine-Nine Title: #DUPE# Season: 4 Episode 11