The bile sac of an animal, especially of a chicken or pig.
Inyammānay bugwan din nibā'in bongbong Oltāgon ay Habbēleng.
The bile sac of Oltāgon's sacrificed engagement gift from Habbēleng indicates a good omen.
The bile sac is examined when the chicken or pig is sacrificed to determine its position, shape and color. This signals an omen of either good or evil regarding health, riches, success of marriage, etc.