陸ろく屋や根ねろくやねMeanings1nounflat roofRefers to a roof that is horizontal or nearly horizontal, as opposed to a pitched roof. Common in architectural contexts.このビルは陸ろく屋や根ねなので、屋おく上じょうに出でられます。This building has a flat roof, so you can go out onto the rooftop.