term:

Spin-Off

spin-off n

: a transfer of corporate assets to a subsidiary in return for a distribution to the shareholders of the corporation of all of the stock or controlling stock of the subsidiary without surrender of any stock by the shareholders of the corporation
: a D reorganization involving a distribution of the stock of another company to the corporation's shareholders
;also
: a new company created by such a distribution compare split-off, split-up

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.