seaway noun3 •A lane or route at sea that is regularly used by ships; a sea lane or trade route. •An inland waterway used by seagoing shipping.The coracle […] 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. — 1881 •The headway of a vessel. formsseaways
