Definition of seaway in English:


Line breaks: sea¦way
Pronunciation: /ˈsiːweɪ


  • 1An inland waterway capable of accommodating seagoing ships.
    More example sentences
    • After 1903 and improvements to the St. Lawrence waterway, larger ships or ‘canalers’ could navigate the seaway.
    • Canada is every bit as vulnerable, experts say, at its ports, docks, canals, lakes, and seaways.
    • Every battle ever fought there was fought over control of the seaway.
  • 1.1A natural channel connecting two areas of sea.
    More example sentences
    • Continental displacements led to changes in the configurations of the oceans, and seaways opened and closed.
    • In the annual cycle experiments, however, low winter insolation causes the seaways to freeze.
    • Cook charted the coasts and seaways of Canada, the St Lawrence Channel and the coasts of Nova Scotia and Newfoundland.
  • 1.2A route across the sea used by ships.
    More example sentences
    • Unfortunately we need two miles of seaway to stop our ship and our rudder is jammed, hence we cannot change course.
    • In a dangerous combat situation, or even a crowded seaway, this can provide a huge advantage.
    • Columbus set out to find a new seaway to India and he ended up discovering America.
  • 2 [in singular] A rough sea in which to sail: with the engine mounted amidship, the boat pitches less in a seaway
    More example sentences
    • This number results from a formula that is intended to represent a boat's expected motion in a seaway.
    • The dog boats were also small in comparison to their opponents but rode better in a seaway.
    • In general, the safety of a ship in a seaway is related to three major safety parameters - structural safety, overturning stability, and seakeeping quality.

More definitions of seaway

Definition of seaway in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day tortie
Pronunciation: ˈtɔːtiː
a tortoiseshell cat