bisuangan Sense 1 noun English. What closes an aperture: door; gate, shutter. Synonym. sida; takep Sense 2 English. Place where a lake, pond flows into a river. Example sentence: Subanen. Sa' meligu' amu, tu amu dapit bisuangan, pu' gembabaw da. English. When you bathe, do it there on the outlet side, because it's shallow.