Meaning of "accessory" in Essential American English Dictionary

accessory

noun [ usually plural ] us /əkˈses·ə·ri/ (plural accessories)

something added to something else to make it more attractive or useful:

She wore a green suit with matching accessories (= hat, belt, bag, etc.)
The camera isn’t expensive, but all the accessories to go with it cost extra.
car accessories like leather seats and DVD players

(Definition of “accessory” from the Webster's Essential Mini Dictionary © Cambridge University Press)