Verb
save up as for future use
Source: WordNetI squirrel away sealed greeting cards that people give me so I can open them later when I'm having a bad day. Emily Procter
Once I'd reached the point where I could squirrel away more than 30 digits a minute in memory palaces, I still only sporadically used the techniques to memorize the phone numbers of people I actually wanted to call. I found it was just too simple to punch them into my cell phone. Joshua Foer