boxboard

[ boks-bawrd, -bohrd ]
/ ˈbɒksˌbɔrd, -ˌboʊrd /

noun

cardboard used for making cartons.

Origin of boxboard

An Americanism dating back to 1835–45; box1 + board

British Dictionary definitions for boxboard

boxboard
/ (ˈbɒksˌbɔːd) /

noun

a tough paperboard made from wood and wastepaper pulp: used for making boxes, etc