porthouse

== English == === Etymology === From port +‎ house. === Noun === porthouse (plural porthouses) A building that contains the offices of officials responsible for running a port, space for customs, etc. 1989, Orson Scott Card, Prentice Alvin [1] The river rat he fought was one of a gang of them lolling under the eaves of the porthouse, probably waiting for a gaming house to open. The main cabin on the port side of a boat.