Wu Collection, Upper Volume Radical: Tile (wǎ) Kangxi Strokes: 10 Page 748, Entry 23 Pronounced ling. According to the Shuowen Jiezi (Shuowen), it is an earthenware jar resembling a bottle. According to the Guangyun, the term ling-di refers to a jar with ears. The Huainanzi (Huainanzi) states: Those who extinguish fires fetch water and rush to it, some using jars and pitchers, others using basins and bowls. According to the Liushu Gu (Liushu Gu), a ling is a female roof tile laid with the concave side facing upward. These upward-facing tiles catch the runoff from the overlapping downward-facing tiles, forming what is known as a tile gutter. The Erya (Erya) notes that a ling-di is called a brick. The Book of Han (Hanshu) records: It is like pouring water from a tile gutter while perched on the roof of a high house. Sima Xiangru’s Changmen Fu (Changmen Fu) states: Arranging tiles and bricks of carved stone, to imitate the patterns of tortoiseshell.