Read the dictionary definition of dado. All definitions for this word.
1. a rectangular groove cut into a board so that another piece can fit into it
2. the section of a pedestal between the base and the surbase
3. panel forming the lower part of an interior wall when it is finished differently from the rest of the wall
4. cut a dado into or fit into a dado
5. provide with a dado
1. The owners wanted to dado their dining room