An unidentified substance mentioned in the Bible (Gen. ii. 12, and Num. xi. 7), variously taken to be a gum, a precious stone, or pearls, or perhaps a kind of amber found in Arabia.

A gum resin of reddish brown color, brought from India, Persia, and Africa.

Gen.2: 12; Num.11: 7] - 1. pearl or pearl apperance 2. A gummy resin produced by a tree that is reddish brown in exterior color and internally clear much like glue. Slightly bitter to the taste, but with a plesant aroma. It is used as a perfume and as a medicine.