bow guard

noun2

1. •
   A guard who is stationed at the bow of a ship.

   • The bow guard was watching the other boat as it floated among several fishing boats waiting for the bridge to open. — 2003
2. •
   A protective structure on the bow of a boat.

   • That man who is now stepping from the wet logs to the bow-guards of the Marion, how can he ever cut down a tree? — 1878