What is a genus of palms, one species of which produces the areca nut, or betel nut, which is chewed in India with the leaf of the Piper Betle and lime called?

areca — A genus of palms, one species of which produces the areca nut, or betel nut, which is chewed in India with the leaf of the Piper Betle and lime. (Webster's 1913.)

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