liner

a large ship that you travel on for pleasure

豪華客船

describes a large, comfortable, and expensive passenger ship

大型で豪華な客船。

定期客船

a large ship for carrying people rather than goods

外航客船

a large ship that carries passengers on long journeys across the sea

海を渡る長旅で乗客を運ぶ大型船。

大西洋横断定期船

a ship that makes journeys across the Atlantic Ocean

遠洋定期船

a large ship designed for travel on the open sea

外洋を航行するために設計された大型客船を指す