- A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life and the most widely used of all solvents. Freezing point 0°C (32°F); boiling point 100°C (212°F); specific gravity (4°C) 1.0000; weight per gallon (15°C) 8.338 pounds (3.782 kilograms). (noun)
- Any of various forms of water: waste water. (noun)
- Naturally occurring mineral water, as at a spa. Often used in the plural. (noun)
- A body of water such as a sea, lake, river, or stream. (noun)
- A particular stretch of sea or ocean, especially that of a state or country: escorted out of British waters. (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.