spool

1 of 2

noun

1
: a cylindrical device which has a rim or ridge at each end and an axial hole for a pin or spindle and on which material (such as thread, wire, or tape) is wound
2
: material or the amount of material wound on a spool

spool

2 of 2

verb

spooled; spooling; spools

transitive verb

1
: to wind on a spool
2
: wind entry 3
spool the thread off the bobbin
3
: to regulate the transmission of by means of a spooler
spool data

intransitive verb

1
: to wind itself on a spool
2
: to be wound or unwound
3
: to regulate data flow by means of a spooler

Examples of spool in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
And perhaps most poignantly, both lost the thread -- Brian to the isolation of his mind, Sly to the labyrinth of his vices and fame -- but neither ever quite let go of the spool. Philip Martin, Arkansas Online, 15 June 2025 The wide world of plastics My wife had gotten me two spools of filament, a white and a black spool of Bambu's own PLA Basic. ArsTechnica, 28 May 2025
Verb
Horner said 'Thanks for the offer' and Elkann rang his pilots and told them to spool up the jets. Saajan Jogia, MSNBC Newsweek, 12 July 2025 That’s still casting and spooling up and will not be out for a while. Paul Tassi, Forbes.com, 1 July 2025 See All Example Sentences for spool

Word History

Etymology

Noun

Middle English spole, from Middle Dutch spoele; akin to Old High German spuola spool

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1603, in the meaning defined at transitive sense 1

Time Traveler
The first known use of spool was in the 14th century

Browse Nearby Words

Cite this Entry

“Spool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spool. Accessed 29 Jul. 2025.

Kids Definition

spool

noun
ˈspül
1
: a cylinder which has a rim at each end and on which something (as thread, wire, or tape) is wound
2
: material wound on a spool

More from Merriam-Webster on spool

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