accessory
/ik-ˈse-sə-rē/
noun
an object or device that is not essential in itself but adds to the beauty, convenience, or effectiveness of something else
a thing of secondary or lesser importance : adjunct
a person not actually or constructively present but contributing as an assistant or instigator to the commission of an offense —called also accessory before the fact
auto accessories
adjective
assisting under the orders of another; especially : contributing to a crime but not as the chief agent
aiding or contributing in a secondary way : supplementary
present in a minor amount and not essential as a constituent
noun
a fruit (such as the apple) of which a conspicuous part consists of tissue other than that of the ripened ovary