coastline
noun
coast·line
ˈkōs(t)-ˌlīn 
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
The resort features 14 rooms, suites, and villas spread along seven miles of pristine Coral Sea coastline.
—
Kaila Yu, Forbes, 9 Mar. 2025
These comprehensive trails span both Baldwin and Mobile counties, following the coastline, wetlands, and backwaters—all crucial stopover habitats for migratory birds.
—Catherine Jessee, Southern Living, 8 Mar. 2025
California is home to 21 national monuments, more than any other state in the country — spanning rugged coastlines, stately sequoia groves and striking desert canyons.
—Lila Seidman, Los Angeles Times, 7 Mar. 2025
For two decades, Branson had been dead set on restoring the 16th-century finca that sits on the historic 810-acre estate set along three miles of untouched coastline and backdropped by the vast Tramuntana mountain range.
—Heidi Mitchell, Robb Report, 28 Feb. 2025
See All Example Sentences for coastline
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Kaila Yu, Forbes, 9 Mar. 2025
These comprehensive trails span both Baldwin and Mobile counties, following the coastline, wetlands, and backwaters—all crucial stopover habitats for migratory birds.
—Catherine Jessee, Southern Living, 8 Mar. 2025
California is home to 21 national monuments, more than any other state in the country — spanning rugged coastlines, stately sequoia groves and striking desert canyons.
—Lila Seidman, Los Angeles Times, 7 Mar. 2025
For two decades, Branson had been dead set on restoring the 16th-century finca that sits on the historic 810-acre estate set along three miles of untouched coastline and backdropped by the vast Tramuntana mountain range.
—Heidi Mitchell, Robb Report, 28 Feb. 2025
See All Example Sentences for coastline
Cite this Entry
“Coastline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coastline. Accessed 13 Mar. 2025.
Copy CitationKids Definition
coastline
noun
coast·line
ˈkōst-ˌlīn
: the outline or shape of a coast
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