noun
1.
a. : a gum resin obtained from a West Indian tree ( Moronobea coccinea ) of the family Guttiferae
b. : a similar product obtained from other trees (as Rhus metopium )
c. : tragacanth ; also : a similar gum (as bassora or kutira)
2. : any of various tropical trees chiefly of the families Anacardiaceae and Guttiferae that produce hog gum or are associated or confused with trees producing hog gum