Seed of betel palm; chewed with leaves of the betel pepper and lime as a digestive stimulant and narcotic in southeastern Asia; SYN. areca nut.
Fruit of the areca palm Areca catechu, used together with lime and betel pepper as a masticatory stimulant by peoples of the East and Papua New Guinea. Chewing it results in blackened teeth and a mouth stained deep red.