Work Made For Hire
work made for hire n: work (as art, music, writing, or a computer program) that is the property of an employer when made by one acting as an employee or is the property of the party for whom it is specially ordered or commissioned when that is expressly stipulated in writing used in copyright law
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.