Modiatio
Defined in 2 dictionaries — Black's (1910), Black's (1891)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old English law. A certain duty paid for every tierce of wine.
A Dictionary of Law
Henry Campbell Black · 1891
In old English law. A certain duty paid for every tierce of wine. Modica circumstantia facti jus mutat. A smali circumstance attending an act may change the law.