A flap of a valve of a heart or blood vessel.
A small sheet of paper containing information, used for dissemination of said information, often an advertisement.
One of the components of a compound leaf.
A small plant leaf.
To distribute leaflets to.
To distribute leaflets.
Such a board used as a simple percussion instrument.
A stretch of ripples or bumps on a dirt or gravel road caused by interaction between traffic and road surface.
A board fastened along a ship's gunwale to prevent splashing; a splashboard.
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.