seaway

noun

sea·​way ˈsē-ˌwā 

1

: the sea as a route for travel

also : an ocean traffic lane

2

: a moderate or rough sea

3

: a deep inland waterway that admits ocean shipping

Examples of seaway in a Sentence

Recent Examples on the Web

This particular tyrannosaur lived near the seaway’s western coast, which was full of jungles and forests. — Laura Baisas, Popular Science, 12 Mar. 2026

An abrupt rise in global sea levels driven by climate changes drowned the low-lying continental basins and created the Trans-Saharan seaway. — Jacek Krywko, ArsTechnica, 7 Mar. 2026

The Strait of Hormuz is a narrow neck of the seaway between Iran, on the north, and the Arab nations of UAE, Oman, and Saudi Arabla, on the south. — Ian Dexter Palmer, Forbes.com, 19 Mar. 2026

In middle age, though, the only seaway Melville encountered was the brackish Hudson and his journeys consisted of tabulating the wool unloaded from Manchester, rum from Havana, and tea from Calcutta. — Literary Hub, 14 Jan. 2026

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for seaway

• airway
• allay
• archway
• array
• ashtray
• assez
• astray
• aue
• away
• ballet
• belay
• beltway

Kids Definition

seaway

noun

sea·​way -ˌwā 

1

a

: a route for travel on the sea

b

: an ocean traffic lane

2

: a rough sea

3

: a deep inland waterway that admits ocean shipping