tapuk noun English. Lungs of all air breathing creatures; inner, soft portion of plants. Example sentence: Subanen. Ki gayu, sa' gembageli tapuken, ndi' mpia baalan balay, pu' melemu mbali'. English. If a tree has a large pulp core, it isn't good for house construction, because it breaks easily. Synonym. bukal Generic. lawas Idiom: Pikaan mui tapuk mu English. "You ate your lungs," a grave insult. Generic. laat