ˈcold frame BrE AmE noun [countable] British English
a box-like structure with sides and a top made of glass or clear plastic, used for keeping young plants warm as they start to grow
ˈcold frame BrE AmE noun [countable] British English
a box-like structure with sides and a top made of glass or clear plastic, used for keeping young plants warm as they start to grow
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012