person ascertained as a member of a class, or as filling a particular character.—Persona eoclesis. The parson or personation of the church.-Persona non grata. In international law and diplomatic usage, a person not acceptable (for reasons peculiar to himself) to the court or government to which it is proposed to accredit him in the character of an ambassador or minister—Persona standi in judicio. Capacity of standing in court or in judgment; capacity to be a party to an action; capacity or ability to sue.