lay by[verb]Synonyms: save, lay aside, lay away, lay in, lay up, put by, salt away, spare
[TahlilGaran] English Synonym Dictionary ▲
lay by v. To save, especially a little at a time.
The students laid a little money by every week till they had enough for a trip to Florida. The farmer laid by some of his best corn to use the next year for seed. [TahlilGaran] English Idioms Dictionary ▲