The dried leaves of Piper betle (family Piperaceae), a climbing East Indian plant; used as a stimulant and narcotic. Betel nut is chopped and then wrapped in a strip of Piper betel leaf to make a small packet known as a buyo. Used as wrappers for spiced minced meat in southeast Asian cooking or for raw spices in India.
[Pg. betel, betle, fr. Malayalam or Tamil vetilla]
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Examples: glitazone, GI cocktail, etc.