Betel \Be"tel\ (b[=e]"t'l), n. [Pg., fr. Tamil ve[.t][.t]ilei, prop. meaning, a mere leaf.]

(Bot.) A species of pepper (Piper betle), the leaves of which are chewed, with the areca or betel nut and a little shell lime, by the inhabitants of the East Indies. It is a woody climber with ovate many-nerved leaves.

Source: Webster's Revised Unabridged Dictionary (1913)