'SPOOL' definitions:

Definition of 'spool'

noun

A winder around which thread or tape or film or other flexible materials can be wound [syn: bobbin, spool, reel]

verb

Transfer data intended for a peripheral device (usually a printer) into temporary storage

verb

Wind onto a spool or a reel

From: GCIDE

Spool \Spool\, v. t. [imp. & p. p. Spooled (sp[=oo]ld); p. pr. & vb. n. Spooling.] To wind on a spool or spools. [1913 Webster]

From: GCIDE

Spool \Spool\ (sp[=oo]l), n. [OE. spole, OD. spoele, D. spoel; akin to G. spule, OHG. spuola, Dan. & Sw. spole.] A piece of cane or reed with a knot at each end, or a hollow cylinder of wood with a ridge at each end, used to wind thread or yarn upon. [1913 Webster]
Spool stand, an article holding spools of thread, turning on pins, -- used by women at their work. [1913 Webster]