hügelkultur UK /ˈh(j)uːɡəlˈkʌlt͡ʃə/US /ˈh(j)uːɡəlˈkʌlt͡ʃɚ/ noun1 •A type of permaculture in which the composting involves raised planting beds constructed on top of decaying wood debris (such as logs, tree limbs, and stumps) and other compostable biomass plant materials.