Definition of tagboard in English:

tagboard

Pronunciation /ˈtaɡbôrd/ /ˈtæɡbɔrd/

noun

US
  • A kind of sturdy cardboard used especially for making luggage labels and posters.

    ‘He gave himself a mental note to check the tagboard after lunch.’
    Also called oaktag
    • ‘Have each student sit in front of a sheet of tagboard, which has been taped to the blackboard.’