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Definition of spool

spool

/spuːl/
spool

Plural:spools
•
Past Simple:spooled
•
Past Participle:spooled
•
Present Participle:spooling
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spool Lexical Profile

spool Game Scores & Validity

• noun

1

A cylindrical device, typically with a rim at each end, on which thread, wire, cable, or magnetic tape is wound.

Example

"She reached into her sewing kit and pulled out a spool of black thread."


2

A temporary storage area or buffer in a computer memory or disk where data is held until a device, such as a printer, is ready to process it.

Example

"The document was sent to the print spool and will be printed as soon as the current job finishes."

Synonyms
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• verb

1

To wind thread, wire, magnetic tape, or a similar material onto a cylindrical device.

Example

"The machine automatically spools the freshly manufactured copper wire onto large wooden reels."


2

To draw out, unroll, or unfold from a cylinder (often used with 'out').

Example

"The fisherman watched the line spool out rapidly as the large catch swam away."


3

To send data to a temporary storage area or buffer in a computer to await processing by a peripheral device.

Example

"The operating system spools the print jobs so that the user can continue working without waiting for the printer."

Synonyms
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Antonyms
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• Rhymes for spool

Word Origin & Etymology

From Middle English 'spole', borrowed from Middle Low German 'spōle' or Middle Dutch 'spoele', of Germanic origin. The computing sense is often cited as a backronym for 'Simultaneous Peripheral Operations On-Line'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Spool. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/spool
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