Wiktionary
alt. (context legal English) A person who assists or protects someone wanted by the police in connection with a crime. n. (context legal English) A person who assists or protects someone wanted by the police in connection with a crime.
WordNet
n. a person who gives assistance or comfort to someone known to be a felon or known to be sought in connection with the commission of a felony
Usage examples of "accessory after the fact".
One day she's a Jehovah's Witness and the next she's my mistress and an accessory after the fact.
I just don't want you to get in a jam for compounding a felony, or becoming an accessory after the fact.
You would put yourself in the position of being an accessory after the fact.
That's aiding and abetting and accessory after the fact of armed robbery.
I was what you'd call an accessory before the fact and an accessory after the fact.
Was he not himself an accessory after the fact in the matter of two crimes at least?
You know what the penalty is for becoming an accessory after the fact.
The girl she's trying to palm off as her daughter is going to be convicted of being an accessory after the fact, and you're going to be disbarred and convicted of assault with a deadly weapon, grand larceny, and robbery.