Metal plate, protecting a ship, military vehicle, or aircraft.
A protective layer over a body, vehicle, or other object intended to deflect or diffuse damaging forces.
A tank, or other heavy mobile assault vehicle.
A military formation consisting primarily of tanks or other armoured fighting vehicles, collectively.
A natural form of this kind of protection on an animal's body.
The naturally occurring surface of pebbles, rocks or boulders that line the bed of a waterway or beach and provide protection against erosion.
To equip something with armor or a protective coating or hardening.
To provide something with an analogous form of protection.
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.