What does appurtenant mean?
The definition of appurtenant
Ap*pur”te*nant, a.
Etym: [F. appartenant, p. pr. of appartenir. See Appurtenance.]

Annexed or pertaining to some more important thing; accessory; incident; as, a right of way appurtenant to land or buildings. Blackstone. Common appurtenatn. (Law) See under Common, n.

Ap*pur”te*nant, n,
Something which belongs or appertains to another thing; an appurtenance. Mysterious appurtenants and symbols of redemption. Coleridge.