talun 2 noun English. A cultivated vine whose medium-sized (ca. 7 x 12 cm.) leaves are used as a component of betel chew, probably Scientific name. Piper betle Synonym. apin Generic. mama'; mula Idiom: talun datag noun English. A uncultivated vine similar to the talun and similarly used; charactrerized as salty in flavor. Generic. belagen