Definition of "undersea" []

• Existing, relating to, or created for use beneath the surface of the sea: undersea life; undersea cameras. (adjective)
• Beneath the surface of the sea. (adverb)

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.

• "Earlier this month, we reported on the boom in undersea cable construction in response to a 64 percent surge in international bandwidth use last year."
• "The buildout in undersea optical cables should be viewed as a good thing, especially if Om is correct when he points out that network growth often presages an economic boom."
• "In Texas, they disinvited a movie that hilariously claimed "there's a good chance that life began in undersea thermal vents"."