n.[C]

1. 附件，配件；附加物件
   A radio is an accessory to a car.

   收音机是汽车的附件。

2. 妇女饰品；房间陈设[P1]
3. 从犯，同谋[（+to）]
   He was charged with being an accessory to the crime.

   他被控告为这项罪行的从犯。

a.

1. 附加的，附属的；辅助的
2. 同谋的，帮凶的
3. 非主要的；副的

n.

1. a thing which can be added to something else in order to make it more useful, versatile, or attractive.
   ▸a small article carried or worn to complement a garment.
2. (also accessary) Law  a person who assists the perpetrator of a crime without taking part in it.

adj.