Spuller \Spul"ler\, n. [For spooler.] [See Spool.] One employed to inspect yarn, to see that it is well spun, and fit for the loom. [Prov. Eng.]
Source: Webster's Revised Unabridged Dictionary (1913)
Spooler \Spool"er\, n. One who, or that which, spools.