1.An unidentified substance mentioned in the Bible (, and), variously taken to be a gum, a precious stone, or pearls, or perhaps a kind of amber found in Arabia.
2.A gum resin of reddish brown color, brought from India, Persia, and Africa. Note: Indian bdellium or false myrrh is an exudation from Balsamodendron Roxburghii. Other kinds are known as African bdellium, Sicilian bdellium, etc.