船便 (ふなびん, funabin) Japanese meaning: surface mail | KotomoraI'll send this parcel by surface mail.
It takes a month to arrive by sea mail.
Usage patterns
〈物〉を船便で送るto send something by sea mail
Since it was a large package, I decided to send it by sea mail.
船便で〈場所〉へ渡るto cross to a place by ferry
You can get to the island by ferry.
船便を利用するto use surface (sea) mail service
I used sea mail to keep the cost down.