Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Radio, TV the period of time during which a program, part of a program, commercial, etc. may be broadcast
also air time
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- The time during which a radio or television station is broadcasting. Also called airspace.
- The time at which a radio or television program is broadcast.