船せん長ちょう室しつせんちょうしつMeanings1nouncaptain's cabin; captain's quartersRefers to the private room or quarters of a ship's captain.船せん長ちょう室しつは船ふねの一いち番ばん安あん全ぜんな場ば所しょにある。The captain's cabin is located in the safest part of the ship.