What is the meaning of Roundhouse?

A circular prison, especially a small local lockup or station house.

The uppermost room or cabin of any note upon the stern of a ship.

A privy near the bow of a vessel, especially as reserved for officers.

A circular building in which locomotives are housed, sometimes with a turntable.

A prehistoric dwelling typical of northwest Europe in the Iron Age and Bronze Age.

A punch or kick delivered with an exaggerated sweeping movement.

In the game of pinochle, a meld consisting of a queen and king in each of the four suits.

To punch or kick with an exaggerated sweeping movement.

Source: wiktionary.org