Betel is a combination of ingredients that are chewed as a stimulant and for medicinal purposes. The term is derived from the combination of the four crossword solutions: SIRI (4 letters), ARECA (5 letters), ARECAS (6 letters), PALM (4 letters), NUT (3 letters) and ITMO (4 letters). Siri is the name of the betel leaf, which is a type of vine grown in tropical climates. ARECA is the name of the ARECA NUT, which is the seed of the ARECA PALM tree. Arecas is the plural form of ARECA. PALM is the name of the ARECA PALM tree, which is native to South and Southeast Asia. NUT is the name of the ARECA NUT, which is the seed of the ARECA PALM tree. ITMO is an acronym for Indian Tobacco, which is a type of tobacco used in the preparation of betel.