appurtenance n[Anglo-French apurtenance , alteration of Old French apartenance , from apartenant appurtenant]
: property (as an outbuilding or fixture) or a property right (as a right of way) that is incidental to a principal property and that passes with the principal property upon transfer
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.