Merriam-Webster has announced the release of its Collegiate Dictionary, Eleventh Edition in a version that runs on the iPhone. The Collegiate Dictionary for iPhone costs $29.99 and is available for purchase and download on the App Store.
Be aware of the American English spellings, but this edition of the Collegiate Dictionary includes 225,000 entries and more than 10,000 new words and definitions. It allows you to do multiple lookups and retains instant access to all words, according to the developer, Paragon Software Group.
The software runs on any iPhone or iPod touch running iPhone 2.0 software.