Noun

• S: (n) seaway, sea lane, ship route, trade route (a lane at sea that is a regularly used route for vessels)
• has instance
• direct hypernym / inherited hypernym / sister term
• S: (n) lane (a well-defined track or path; for e.g. swimmers or lines of traffic)
• S: (n) trade route (a route followed by traders (usually in caravans))