appurtenance [uh-pur-tn-uh ns]
1. something subordinate to another, more important thing; adjunct; accessory.
2. Law. a right, privilege, or improvement belonging to and passing with a principal property.
3. appurtenances, apparatus; instruments.
Origin: 1350-1400; Middle English < Anglo-French, equivalent to ap- ap-1+ -purtenance a belonging; see purtenance
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