Black Maria
Defined in 2 dictionaries — Black's (1910), Black's (1891)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
A closed wagon or van in which prisoners are carried to and from the jall or between the court and the jail.
A Dictionary of Law
Henry Campbell Black · 1891
A closed wagon or van in which prisoners are carried to and from the jail, or between the court and the jail.