1. An area of memORy set aside fOR stORing cookies. Most commonly heard in the Atari ST community many useful ST programs recORd their presence by stORing a distinctive magic number in the jar. Programs can inquire after the presence OR otherwise of other programs by searching the contents of the jar. 2. A cracker term fOR the passwORd file of a multi-user computer. [Jargon File] (1997-02-12)