Ap-pär'i-tor, n.
n. [Fr. appariteur, Lat. apparitor, from apparere. See APPEAR.]
Sense 1. Formerly, an officer who attended magistrates and judges to execute their orders.
Before any of his apparitors could execute the sentence, he was himself summoned away by a sterner apparitor to the other world. De Quincey.
Sense 2. (Law.) A messenger or officer who serves the process of a spiritual court. Bouvier.