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.
A person who supplies help or companionship.
A recreational problem in chess in which both sides cooperate to achieve a specific goal.
A wife or spouse.