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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some lines on the globe or on the map might appear arbitrary until when realizes that there are existing points or places or coastlines that anchor them. Tommy Tuberville, Newsweek, 9 Jan. 2025 Cozy homes and multimillion-dollar beach palaces that once hugged the coastline — all gone. Laura J. Nelson, Los Angeles Times, 8 Jan. 2025 The undeveloped coastline north of the town provides miles of peaceful sand to explore. Tara Massouleh McCay, Southern Living, 6 Jan. 2025 Two property owners applied to build homes in Cambria, California, in 2019 and 2020 respectively, in a tract where the California Coastal Commision – which must approve projects on or near the coastline – had already approved construction of 10 homes in the 18 home subdivision. Kenneth Schrupp | The Center Square, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 5 Jan. 2025 See all Example Sentences for coastline 

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 20 Jan. 2025.

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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