Definition of "aerator" []

• One that aerates, as a machine for aerating turf or a device for aerating liquids. (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.

• "To make a simple aerator so you dont have to spend so much money take a few pieces of a dry red clay flowerpot dropped into your minnow bucket every so often will keep your bait alive and frisky on a long trip."
• "But in this case, the pieces of sediment clog holes in the aerator that creates the uniform flow of water."
• "After half a dozen outings with my aerator, I was ready for a new toy—I mean, wine accessory."