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Synonyms

seaway

American  
[see-wey] / ˈsiˌweɪ /

noun

  1. a way over the sea.

  2. the open sea.

  3. the progress of a ship through the waves.

  4. a more or less rough sea.

    a hard vessel to steer in a seaway.

  5. a canal, enlarged river, etc., giving access to a landlocked port by oceangoing vessels.


seaway British  
/ ˈsiːˌweɪ /

noun

  1. a waterway giving access to an inland port, navigable by ocean-going ships

  2. a vessel's progress

  3. a rough or heavy sea

  4. a route across the sea

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of seaway

before 1000; Middle English seewey, Old English sǣweg. See sea, way 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In fact, the narrow seaway was not mentioned at all in the JCPOA.

From BBC Jun. 18, 2026

The first mammal from South America discovered in the older beds was from a primate species, which is presumed to have rafted across the seaway.

From Science Daily Feb. 20, 2024

They're also the oldest bat fossils from Central America, preserved 20-million years ago when Panama and the rest of North America were separated from southern landmass by a seaway at least 120 miles wide.

From Science Daily Feb. 20, 2024

The accident, in which 27 people including a 7-year-old girl died, is the worst on record involving migrants in the narrow seaway separating France and Britain.

From Reuters Nov. 9, 2023

A ship's yawl, being both broad and deep, is one of the safest of small boats in a seaway.

From Ralph Granger's Fortunes by William Perry Brown

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