Summum Jus
Defined in 4 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910), Stimson (1881)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
SUMMA INJURIA. The
Ballentine's Law Dictionary
James A. Ballentine · 1916
Strictest, most rigid law.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
Lat Strict right; extreme right. The extremity or rigor of the law.
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
Strict right, the rigor of the law. Summum extreme is extreme