pipestones
/ˈpaɪpˌstoʊnz/
noun
- Small stones or pieces of rock that are used to line or fill the bottom of a pipe, especially in a drain or water system, to help with filtration or drainage.
- The plumber added fresh pipestones to the drainage trench to improve water flow.
- We spread a layer of pipestones around the foundation pipe to prevent soil from clogging it.
- The old pipestones were replaced with gravel to keep the septic system working properly.
- A type of soft, fine-grained stone (often a form of claystone or soapstone) traditionally used by Indigenous peoples of North America to carve pipes, especially peace pipes or ceremonial pipes.
- The artisan carved a beautiful peace pipe from a block of pipestone.
- Pipestone quarries in Minnesota are considered sacred by many Native American tribes.
- He learned the traditional method of shaping pipestone into ceremonial bowls.