Ap*pur"te*nance (&?;), n. [OF. apurtenaunce, apartenance, F. appartenance, LL. appartenentia, from L. appertinere. See Appertain.] That which belongs to something else; an adjunct; an appendage; an accessory; something annexed to another thing more worthy; in common parlance and legal acceptation, something belonging to another thing as principal, and which passes as incident to it, as a right of way, or other easement to land; a right of common to pasture, an outhouse, barn, garden, or orchard, to a house or messuage. In a strict legal sense, land can never pass as an appurtenance to land. Tomlins. Bouvier. Burrill.

Globes . . . provided as appurtenances to astronomy.
Bacon.

The structure of the eye, and of its appurtenances.
Reid.

• an appendage added to something else
  
• (in plural) equipment used for some specific task; gear
  
• minor property (such as an outhouse) that passes with the main property when it is sold