accessory
noun [ C ]
uk/əkˈsesəri/ usplural accessories [ usually plural ]
something extra that improves or completes the thing it is added to:
The store also sells computer accessories, such as cables, batteries, and webcams.
These accessories are designed to enhance driver comfort.
a range of women's fashion accessories
bathroom/home/kitchen accessories
car/cell phone accessories
LAW
a person who helps another person to commit a crime but does not take part in it:
He was charged as an accessory to murder.
accessory after the fact
LAW
someone who helps a person after they have committed a crime, for example by hiding them from the police
accessory before the fact
LAW
someone who helps in the preparation of a crime