Ornest
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In old English law
The trial by battle, which does not seem to have been usual in England before the time of the Conqueror, though originating in the kingdoms of the north, where it was practiced under the name of "holmgang," from the custom of fighting duels on a small island or holm.
Wharton.