spool

What is spool?

spool meaning in Computer Science terminology / glossary / dictionary is:
Simultaneous Peripheral Operations On-Line. A scheme that allows multiple devices to simultaneously write output to the same device such as multiple computers printing to the same printer at the same time. The data are actually written to temporary files while a program called a spooler sends the files to the device one at a time.

 

reference: www.math.utah.edu