APPUR'TENANCE, noun so written for appertenance. See Appertain.] That which belongs to something else; an adjunct; an appendage. Appropriately, such buildings, rights and improvements, as belong to land, are called the appurtenances; as small buildings are the appurtenances of a mansion.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI