noun
cob
A mixture of earth and straw used for building walls.
The builders shape wet cob into thick, sturdy walls.
Etymology
Cob has an older sense of a lump or compact mass. The building material takes that name from the earth mixture worked and placed in masses to form walls.
More examples
- We mix earth, straw, and water to make cob.
- The cottage has stone foundations and walls made of cob.
- She fills the crack with fresh cob.
Similar words
- adobe
- Usually formed into sun-dried bricks rather than shaped directly into walls.