laivareitti, väylä
laivareitti
A lane or route at sea that is regularly used by ships; a lane or route.
An inland waterway used by seagoing shipping.
(RQ:Stevenson Treasure Island) was a very safe boat for a person of my height and weight, both buoyant and clever in a seaway; but she was the most cross-grained, lop-sided craft to manage.
The headway of a vessel.