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.
Visit Nearby Beaches The Bradenton Area, which includes Anna Maria Island and Longboat key, claims 16 miles of uninterrupted sugar-white coastline. Tara Massouleh McCay, Southern Living, 21 Mar. 2025 But the best, most panoramic views of the stunning coastline are upstairs at Pilina bar & lounge and Kō restaurant. Elizabeth Brownfield, Forbes, 20 Mar. 2025 Allow yourself at least four days to make your way along this incredible coastline, stopping in villages such as Kennebunkport, Camden, and Biddeford. Nicole Kliest, Vogue, 20 Mar. 2025 However, the colder air trailing the storm will continue moving eastward and could create issues for the Northeast later in the week, and a new storm is expected to develop off the Mid-Atlantic coast on Thursday and move northeast along the coastline, Kines said. Dan Perry, Newsweek, 18 Mar. 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

Browse Nearby Words

Cite this Entry

“Coastline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coastline. Accessed 1 Apr. 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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