ˈphone tree BrE AmE noun [countable] informal
a list of all the telephone numbers of the people in an organization, showing who should call who if there is important information that everyone should know
ˈphone tree BrE AmE noun [countable] informal
a list of all the telephone numbers of the people in an organization, showing who should call who if there is important information that everyone should know
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012