三合土

sānhétǔ
traditional Chinese building material made by mixing three components (typically lime, clay, and sand)

CEDICT

lime-sand-clay mixture; concrete

Wiktionary

用石灰與細砂、石子混合而成，乾後堅硬如石的建築材料。

重編國語辭典

Entry Composition

1 三合 Sānhé
  1. (～村) Sanhe (a village in Dongjin, Xiangzhou district, Xiangyang, Hubei, China)
  2. (～村) Sanhe (a village in Sanhe, Yingcheng, Xiaogan, Hubei, China)
  3. (～鎮) Sanhe (a town in Taishan, Jiangmen, Guangdong, China)
  4. (～鎮) Sanhe (a town in Yingcheng, Xiaogan, Hubei, China)
  5. Sanhe (a town in Taishan, Jiangmen, Guangdong, China)
  6. Sanhe (a town in Yingcheng, Xiaogan, Hubei, China)
  7. Sanhe (a village in Dongjin, Xiangzhou district, Xiangyang, Hubei, China)
  8. Sanhe (a village in Sanhe, Yingcheng, Xiaogan, Hubei, China)
  9. Various town in China, including:
2 土 tǔ
  1. earth
  2. dust
  3. clay
  4. local
  5. indigenous
  6. crude opium
  7. unsophisticated
  8. one of the eight categories of ancient musical instruments 八音 bāyīn