Trial by grand assize
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
A trial by a jury or grand assize of sixteen knights, which a defendant could elect in lieu of a trial by battel. See 3 Bl. Comm. 351.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
a peculiar mode of trini allowed in writs of right. See Assize; Grand Assize.
Defined under Trial in Black's Law Dictionary.