coastline

noun

coast·​line ˈkōs(t)-ˌlīn How to pronounce coastline (audio)
1
: a line that forms the boundary between the land and the ocean or a lake
2
: the outline of a coast

Examples of coastline in a Sentence

The plane flew along the eastern coastline.
Recent Examples on the Web Oceanside Pier has been destroyed five times since 1890 Built in 1888, the 1,954-foot-long pier is famous as the longest wooden pier on the western United States coastline. Eric Lagatta, USA TODAY, 26 Apr. 2024 California’s coastline offers endless hikes, stunning views and miles of sandy beaches. Jacqueline Pinedo, Sacramento Bee, 25 Apr. 2024 See all Example Sentences for coastline 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coastline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1856, in the meaning defined at sense 1

Time Traveler
The first known use of coastline was in 1856

Dictionary Entries Near coastline

Cite this Entry

“Coastline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coastline. Accessed 6 May. 2024.

Kids Definition

coastline

noun
coast·​line ˈkōst-ˌlīn How to pronounce coastline (audio)
: the outline or shape of a coast
Last Updated: - Updated example sentences
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