Definition of "deicer" [deicer]

• A device used on an aircraft to keep the wings and propeller free from ice or to remove ice after it has formed. (noun)
• A compound, such as ethylene glycol, used to prevent the formation of ice, as on windshields. (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.

• "Sure, you could pay for a commercial deicer, but why bother if you have a spray bottle and vinegar?"
• "Related expenses include overtime, contractors and supplies such as salt, deicer and fuel for snow removal equipment."
• "Next time you sprinkle deicer in your driveway, sprinkle a little extra on that ice patch in the street."