noun
also jel·a·tong or jel·o·tong ˈjeləˌtȯŋ, -täŋ, ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷
( -s )
Etymology: Malay jĕlutong
1. : any of several trees constituting a genus ( Dyera ) of the family Apocyanaceae
2. : a glutinous milky juice that is obtained from various jelutongs (especially Dyera costulata ), resembles chicle, and is used chiefly in waterproofing, in rubber compounds, and in chewing gum