adjective.
Accompanying, as a subordinate; additional; accessory; esp., uniting in, or contributing to, a crime, but not as chief actor. See accessory.
noun.
One who, not being present, contributes as an assistant or instigator to the commission of an offense.
noun.
one who commands or counsels an offense, not being present at its commission.
noun.
one who, after an offense, assists or shelters the offender, not being present at the commission of the offense.