noun
A large passenger ship that operates on a regular schedule across oceans.
かつて遠洋定期船は大西洋横断の主要な交通手段だった。
Ocean liners were once the main means of transportation across the Atlantic.
A cruise ship is designed for leisure voyages, while an ocean liner is built for scheduled point-to-point transportation.
Compound of 遠洋 (ocean-going, distant seas) and 定期船 (regular liner, scheduled ship).