yūsen
1. mail boat
Noun
#175660
1. mail boat
1. Was a mail steamer.; Was a passenger ship.
1. If/when by mail steamer; If/when by ship mail
1. It's not a passenger ship.; It isn't a passenger ship.
1. Wasn't a mail boat.; Wasn't a steamer.
1. It is not a mail boat.; It is not a steamer.
1. Probably a mail steamer.; Probably a passenger liner.
1. If it were a mail steamer; If it is a mail steamer
1. If it were a mail steamer; When it's a mail steamer
1. Was a mail ship; Was a passenger ship