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]
(..) "On the... "The great dark sea. "In sleep, in confusion, "in the depths of shame. "The good deeds a man has done before defend him." "The good deeds a man has done before defends him." "The good deeds a man has done before "defends him." (..)2014 Ex Machina