Definition of "wallyball" [wallyball]

• A game similar to volleyball played on a four-walled court with a ball the same size as but harder than a volleyball that is allowed to bounce once off the ceiling or once off the walls before being returned over the net. (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.

• "Bush's latest enthusiasm is a game called wallyball-volleyball played on a racquetball court."
• "(CN) - An Illinois man who was hurt while playing "wallyball" can collect workers 'compensation benefits because he was on the job, a state appeals court ruled."
• "Letting loose in a game of wallyball, a game akin to volleyball played with a net on a racquetball court, helps build teamwork at Aquascape, the garden-supply company."