Dictionary.com
Thesaurus.com
Synonyms

coastline

American  
[kohst-lahyn] / ˈkoʊstˌlaɪn /

noun

  1. the outline or contour of a coast; shoreline.

  2. the land and water lying adjacent to a shoreline.


coastline British  
/ ˈkəʊstˌlaɪn /

noun

  1. 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

Etymology

Origin of coastline

First recorded in 1855–60; coast + line 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The devastating effect of storms on seabirds, including the thousands of puffins washing up on the coastline in the South West, Channel Islands and France, has been well documented.

From BBC

They also could operate for weeks, if not months, in Iran’s mountainous coastline, even if “communication with Tehran frays.”

From MarketWatch

Previously, most spinosaurid fossils had been found near coastlines in North Africa.

From Barron's

They may have traveled along the coastlines of interconnected supercontinents during the first two million years of the Age of Dinosaurs.

From Science Daily

In recent years, development projects in Egypt's second city have razed historic parks and -- most egregiously to locals -- privatised and obstructed much of its Mediterranean coastline.

From Barron's