spooler

noun

1. A device or person that winds thread onto a spool.

   “She again started to work for Respondent in November 1974 as a spooler and was thereafter laid off in January 1975. She commenced working again for Respondent in February 1975 as an oiler in the weave room on the first shift […]”

   “In a method for guiding a thread onto an empty reel after a first reel in a continuously operating spooler has become full, utilizing a moving finger on the spooler in cooperation with a gripper rotating with the empty reel […]”

2. A program or process that spools (places data in a queue to be accessed later).

   “The print spooler sends each page to the printer when it is ready for it.”