the outline or contour of a coast; shoreline.
the land and water lying adjacent to a shoreline.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use coastline in a sentence
Next, head to the beaches of Assateague Island National Seashore, a 40-mile stretch of coastline across Maryland and Virginia.
In addition, the sandbags have blocked public shorelines, created eyesores along picturesque coastlines and littered beaches with heavy fabric and rope that gets torn and whipped around by waves.Hawaii’s Beaches Are Disappearing. New Legislation Could Help ... if It’s Enforced. | by Sophie Cocke, Honolulu Star-Advertiser | February 7, 2021 | ProPublica
Adaptation are things we do to prepare and prevent the damage already done by climate change, like building a sea wall to prevent higher ocean waves from slamming into a coastline.San Diego’s Climate Challenges Will Still Be Here in 2021 – and Beyond | MacKenzie Elmer | January 1, 2021 | Voice of San Diego
Young noted that much of the coastline was already armored, and he urged the board to allow Hanzawa to seek permission from the county to keep the seawalls.Officials Let Hawaii’s Waterfront Homeowners Damage Public Beaches Again and Again | by Sophie Cocke, Honolulu Star-Advertiser | December 31, 2020 | ProPublica
On top of that is a layer of much younger sandstone, a porous sedimentary rock and remnant of an ancient coastline.San Diego Scientist Gets Closer to Understanding Why the Coast Collapses | MacKenzie Elmer | December 28, 2020 | Voice of San Diego
It also theoretically moves the ancient coastline more than two miles from where historians originally placed it.
Although it took 21 years after Peter ran away at the battle of Narva, Russia finally got a Baltic coastline.Russian History Is on Our Side: Putin Will Surely Screw Himself | P. J. O’Rourke | May 11, 2014 | THE DAILY BEAST
A drive to the Snæfellsnes peninsula—seriously, these names—is a veritable coastline journey to the center of the Earth.
And an unnamed vessel that hit the brutal coastline in 1860 has a particularly dark story.
Its beautiful landscape and coastline are matched only by its fascinating history.
The War Office forget every now and then other things about the coastline above the Narrows.Gallipoli Diary, Volume I | Ian Hamilton
To the east there was a precipitous coastline of dark rock which for a while we thought of visiting.
The irregularities in the coastline account for this; the wind tending to flow down to sea-level by the nearest route.
July and August are cold and foggy along the coastline, with strong west winds almost every day.Stories of California | Ella M. Sexton
Our object was to map in the coastline as far east as possible, and the problem, now, was whether to go north or south.
British Dictionary definitions for coastline
the outline of a coast, esp when seen from the sea, or the land adjacent to it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012