- Relating to, consisting of, or containing salt water: a saltwater solution. (adjective)
- Inhabiting or occurring in seawater or salt water: saltwater fish; the saltwater crocodile. (adjective)
- Done or used in salt water: saltwater fishing; saltwater lures. (adjective)
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.