ˈnest egg BrE AmE noun [countable]
an amount of money that you have saved so that you can use it for something special in the future:
They had to use part of their retirement nest egg to pay for their son’s college fees.
ˈnest egg BrE AmE noun [countable]
an amount of money that you have saved so that you can use it for something special in the future:
They had to use part of their retirement nest egg to pay for their son’s college fees.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012