noun
also gam·bir ˈgamˌbi(ə)r, -iə
( -s )
Etymology: Malay gambir
: a yellowish catechu obtained from a Malayan woody vine ( Uncaria gambir ) of the family Rubiaceae, used for chewing with the betel nut, and exported for tanning and dyeing — called also pale catechu, terra japonica, white cutch ; see dye table I (under Natural Brown 3 )