- a way over the sea.
- the open sea.
- the progress of a ship through the waves.
- a more or less rough sea: a hard vessel to steer in a seaway.
- a canal, enlarged river, etc., giving access to a landlocked port by oceangoing vessels.
Origin of seaway
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for seaway
The crew cheered, for it was a splendid shot at that distance and in a seaway.The Black Buccaneer
Stephen W. Meader
Reefing on a bowsprit in a seaway is a difficult and dangerous job.On Yachts and Yacht Handling
Thomas Fleming Day
A craft so small could not reasonably be expected to live in such a seaway.The Boy Chums Cruising in Florida Waters
Wilmer M. Ely
Loaded an ore boat with avgas and ammo and ran it up the Seaway.The Syndic
To be five miles from shore in a seaway in kayaks like ours was a sensation.Crooked Trails
- a waterway giving access to an inland port, navigable by ocean-going ships
- a vessel's progress
- a rough or heavy sea
- a route across the sea