"To have the body"—that's what the Latin phrase habeas corpus means in English. It tests the legality of a detention or a restraint and the goal is to use it really almost i guess it's an emergency basis.A writ of habeas corpus requires that a person who is in custody be brought before a judge or court and that they be able to challenge that custody. What is Habeas Corpus? Look at Florida Statute 394.9215. A person held in a secure facility under this part may file a petition for habeas corpus in the circuit court for the county in which the facility is located. Latin phrase meaning "you have the body"; A civil proceeding used to review the legality of a prisoner's confinement in criminal cases. At the state level in Florida, the writ can be filed in the circuit court, the district court of appeals or even the state supreme court. Latin phrase meaning "you have the body"; A civil proceeding used to review the legality of a prisoner's confinement in criminal cases. If we want to argue an issue in an appellate court, the issue must be preserved.