Definition of "wifi" []

• A local area network that uses high frequency radio signals to transmit and receive data over distances of a few hundred feet; uses ethernet protocol (noun)

WordNet. Princeton University. 2010.

• "The wifi only veision will be available in 60 days, they wifi+ 3G version will available in 90 days."
• "So ... 70,000 JPY bonus. iPad 64gig wifi is 68,800 JPY."
• "The new PS3 slim has built in wifi and is a much better media player (supports more codecs than the 360 does) and has a blu-ray player, and has a 120gb HDD."