n. In law, the privilege enjoyed by the lord of a manor of holding courts, trying causes, and imposing fines. Also saccage.n. In bot., anat., and zoology, a sack, cyst, bag, bursa, pouch, purse, or receptacle of some kind specified by a qualifying word; a saccule; a saccus.n. Synonyms Sac, Saccule, Saccus, Sacculus. The first two are English, the last two Latin and only technically used, chiefly in special phrases. There is no such difference in meaning as the form of the words would imply, some of the largest sacs being called saccules or sacculi, some of the smallest sacs or sacci.n. A member of a tribe of Algonkin Indians, allied to the Foxes, who lived near the upper Mississippi previous to the Black Hawk war of 1832. The greater part are now on reservations.