Saccus
Defined in 2 dictionaries — Black's (1910), Kinney (1893)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
L. Lat.
In old English law. A sack. A quantity of wool weighing thirty or twenty-eight stone. Fleta, 1. 2, c. 79, § 10.
A Law Dictionary and Glossary
George C. Kinney · 1893
I.
In old English law. A sack; a quantity of wool weighing thirty or twenty-eight stone; a sack or pack: a pack saddle. Saccus cum brochia: a sack [or pack of cloth used with or in place of a saddle] with a broche [bi-oach or pointed iron], — tilings the finding of which was one of the services by which one might hold of the king; a species of petty serjeanty.