ˈsandwich board BrE AmE noun [countable]
two boards with advertisements on them that hang in front of and behind someone who is paid to walk around in public
ˈsandwich board BrE AmE noun [countable]
two boards with advertisements on them that hang in front of and behind someone who is paid to walk around in public
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012