roundhouse

roundhouse is a   Noun

Definition:

[1] A constable`s prison; a lockup, watch-house, or station house. [Obs.]

[2] A cabin or apartament on the after part of the quarter-deck, having the poop for its roof; -- sometimes called the coach.

[3] A privy near the bow of the vessel.

[4] A house for locomotive engines, built circularly around a turntable.

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