Definition of accessary

• a. - Accompanying, as a subordinate; additional; accessory; esp., uniting in, or contributing to, a crime, but not as chief actor. See Accessory.
• n. - One who, not being present, contributes as an assistant or instigator to the commission of an offense.
• a. - Accompanying, as a subordinate; additional; accessory; esp., uniting in, or contributing to, a crime, but not as chief actor. See Accessory.
• n. - One who, not being present, contributes as an assistant or instigator to the commission of an offense.