adj.
Pronunciation: ə - ' p ə rt-n ə nt, - ' p ə r-t ə -n ə nt
Function: adjective
Etymology: Middle English apertenant, from Anglo-French appurtenant, present participle of apurtenir to belong ― more at APPERTAIN
Date: 14th century
1 : constituting a legal accompaniment
2 : AUXILIARY , ACCESSORY < appurtenant equipment>
– appurtenant noun