If she couldn't get under cover in time, he would leap out to help defend her.

The castle was intended to help defend his claim to the land.

Some Western individuals, however, came to help defend the city on their own account.

I'm sure he was happy to be over there and help defend our country.

I want to be able to help defend her.

The men leave the woods to help defend the town.

There were two reasons for their being so willing to help defend the English.

I wasn't expected to hunt for myself, or help defend the pack.

He helped defend the province against the American invasion of 1775-6.

He helped defend the province against the invasion by the Americans in 1775-6.