windfall
🇺🇸
/ˈwɪndfɔːl/
🇬🇧
/ˈwɪndfɔːl/
A surprise gift of money or a gain you didn't expect.
She got a windfall when she inherited a large sum from her uncle.
Fruit that has fallen from a tree naturally, not picked.
After the storm, there were lots of windfalls on the ground.