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 front of each matte-finish coaster features artwork depicting an image of the sandy coastline and a signpost that name-checks some of our more familiar beaches and beach cities, including Malibu, Santa Monica, Venice and Manhattan Beach.
—
Adam Tschorn, Los Angeles Times, 3 Nov. 2024
Lands of fire and ice In southwestern Turkey, just above the pretty coastline near the city of Antalya, there is a mountain where flames have burned since ancient times.
—Maureen O'Hare, CNN, 2 Nov. 2024
Palos Verdes is the final jewel in the Queen’s Necklace, the coastline that sweeps from here to Malibu in the north and forms a necklace of lights when illuminated at night.
—Zoë Dare Hall, Forbes, 31 Oct. 2024
Loreto’s coastline lies within the Loreto Bay National Park – a UNESCO World Heritage Site with over 800 marine animal species – and parts of the mountain range are protected as well.
—Kathleen Wong, USA TODAY, 27 Oct. 2024
See all Example Sentences for coastline 
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Adam Tschorn, Los Angeles Times, 3 Nov. 2024
Lands of fire and ice In southwestern Turkey, just above the pretty coastline near the city of Antalya, there is a mountain where flames have burned since ancient times.
—Maureen O'Hare, CNN, 2 Nov. 2024
Palos Verdes is the final jewel in the Queen’s Necklace, the coastline that sweeps from here to Malibu in the north and forms a necklace of lights when illuminated at night.
—Zoë Dare Hall, Forbes, 31 Oct. 2024
Loreto’s coastline lies within the Loreto Bay National Park – a UNESCO World Heritage Site with over 800 marine animal species – and parts of the mountain range are protected as well.
—Kathleen Wong, USA TODAY, 27 Oct. 2024
See all Example Sentences for coastline
Dictionary Entries Near coastline
Cite this Entry
“Coastline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coastline. Accessed 8 Nov. 2024.
Copy CitationKids Definition
coastline
noun
coast·line
ˈkōst-ˌlīn
: the outline or shape of a coast
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