Someone who accedes to some act, now especially a crime; one who contributes as an assistant or instigator to the commission of an offense.
Accompanying as a subordinate; additional; accessory; especially, uniting in, or contributing to, a crime, but not as chief actor. See accessory.
An appurtenance.
An appendage or attachment.
Of or pertaining to an appurtenance.
Ancillary or subsidiary.