E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
or Days of Grace. The three days over and above the time stated in a commercial bill. Thus, if a bill is drawn on the 20th June, and is payable in one month, it ought to be due on the 20th of July, but three days of grace are to be added, bringing the date to the 23rd of July.