appurtenance

/AH0 P ER1 T AH0 N AH0 N S/
noun
  1. 1

    An appendage to something else; an addition.

  2. 2

    (in the plural) Equipment used for some specific task; gear.

  3. 3

    The thing to which another pertains.

  4. 4

    Minor property, such as an outhouse, that passes with the main property when it is sold.

  5. 5

    (grammar) A modifier that is appended or prepended to another word to coin a new word that expresses belonging.

Synonyms

Source: https://en.wiktionary.org/wiki/appurtenance