桐とう塑そMeanings1nountōso; paulownia-sawdust pasteA traditional modeling paste made from paulownia sawdust and wheat starch, used especially in doll-making and other crafts.桐とう塑そは桐きりの粉こなと小こ麦むぎ粉こを混まぜて作つくられる。Tōso is made by mixing paulownia powder and wheat flour.この人にん形ぎょうは桐とう塑そでできている。This doll is made of tōso.