Simple Definition of nest egg
: an amount of money that is saved over a usually long period of time to pay for something in the future
Full Definition of nest egg
1 : a natural or artificial egg left in a nest especially to induce a hen to continue to lay there
2 : a fund of money accumulated as a reserve
Examples of nest egg in a sentence
They built up a nest egg for their son's college education.
<paid for the computer out of his nest egg>
First Known Use of nest egg
Learn More about nest egg
Thesaurus: All synonyms and antonyms for "nest egg"
Seen and Heard
What made you want to look up nest egg? Please tell us where you read or heard it (including the quote, if possible).