The ark was a box about the size of a piano bench, and in it were some famous artifacts.

He never had to sit at that piano bench and slog away.

I sit on a hard piano bench with a foam cushion, and take frequent yoga breaks.

At one point during the early 1920s, someone broke into the station and stole all its equipment, leaving only a piano bench behind.

He learned how to play piano from a how-to piano book he found in the piano bench.