a ring of stones used to hold down a tent, such as a teepee or tupek, often remaining in position after the tent has been removed.
See also: tent ring
- 1956  We find . . . on the prairies, tipi rings, circles of stones that once were used to hold down the edges of the skin tents.
- 1965  The number of tipi rings fond in some areas also suggests the presence of a fairly large population.