- 树墩子 shùdūnzi tree stumpthe part of a tree trunk left in the ground after the rest has been cut or fallen down
- 白墩子 báidūnzi petuntseFine white stone used in the manufacture of porcelain; also known as "white briquette".
- 菜墩子 càidūnzi chopping blocka thick, heavy wooden block used for chopping vegetables or meat