What is (a) A cabin or apartament on the after part of the quarter-deck, having the poop for its roof; -- sometimes called the coach. (b) A privy near the bow of the vessel called?

roundhouse — (Naut.) (a) A cabin or apartament on the after part of the quarter-deck, having the poop for its roof; -- sometimes called the coach. (b) A privy near the bow of the vessel. (Webster's 1913.)

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