Of or on a shore, especially a seashore: a littoral property; the littoral biogeographic zone. (adjective)
A coastal region; a shore.(noun)
The region or zone between the limits of high and low tides.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "littoral" in a sentence
"If you want the coast guard to operate in American littoral waters, you will need an imminent danger right next to your littoral waters."
"Gates also said the U.S. would deploy to Singapore a newly developed warship known as the littoral combat ship, which is a smaller combat vessel designed to operate close to shorelines rather than in the open ocean."
"Perhaps someone may enlighten readers by stripping away all of the legal jargon littoral, etc. and explaining what is happening here."