Peremptory Rule
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
An absolute rule, as distinguished from a rule nisi.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Same as Rule absolute.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In practice. An absolute rnie; a rule without any condition or alternative of showing cause.
Defined under Peremptory in Black's Law Dictionary.