cardboardnoun [ U ]uk /ˈkɑːd.bɔːd/ us /ˈkɑːrd.bɔːrd/
a cardboard box
- He was living on the streets for three months, and his home was a cardboard box.
- You can make your own distorting mirror by pasting a sheet of kitchen foil to a piece of thin cardboard.
- We made the figures out of cardboard.
- The children wanted a piece of cardboard to cut shapes from.