Definition of Arguendo | OpenJurist

Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.

Arguendo

Ballentine's Law Dictionary

Definition:
In argument; by way of argument.
Arguendo

Black's Law Dictionary: 2nd Edition

Definition:
In arguing; in the course of the argument. A statement or observation made by a judge as a matter of argument or illustration, but not directly bearing upon the case at bar or only incidentally involved in it, is said (in the reports) to be made arguendo, or, in the abbreviated form, arg.