The planking or plating along the sides of a nautical vessel above her gunwale that reduces the likelihood of seas washing over the gunwales and people being washed overboard.
A defensive wall or rampart.
A defense or safeguard.
A breakwater.
Any means of defence or security.
To fortify something with a wall or rampart.
To provide protection of defense for something.
A board fastened along a ship's gunwale to prevent splashing; a splashboard.
A stretch of ripples or bumps on a dirt or gravel road caused by interaction between traffic and road surface.
Such a board used as a simple percussion instrument.
A board with a corrugated surface against which laundry may be rubbed.
To play a washboard.
To move up and down or back and forth across the surface of a hive, possibly to lay down a layer of propolis and wax.
To produce a rippled texture on a surface.