nest egg

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a fund of money put by as a reserve
• Syn:
savings
• Derivationally related forms:
save (for: savings)
• Hypernyms:
fund, monetary fund
2. device consisting of an artificial egg left in a nest to induce hens to lay their eggs in it
• Hypernyms:
device