APPURTENANCE Meaning of APPURTENANCE in English [ ə'pə:t(ɪ)nəns ]■ noun an accessory associated with a particular activity.OriginME: from OFr. apertenance , based on late L. appertinere (see appertain ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004