What does "spool" mean?
A reel; a device around which thread, wire or cable is wound, especially a cylinder or spindle.
Spool
/spuːl/ noun, verb
noun, verb ·Moderate ·College level
Meaning at a glance
- Primary sense: A reel; a device around which thread, wire or cable is wound, especially a cylinder or spindle.
- Grammar: spool is listed as noun, verb.
- Nearest alternatives: bobbin, reel, bobbins, buffer.
- Useful contrasts: instant output, output immediately, process immediately.
- Usage evidence: Please give me a spool of white thread.
How to use "spool"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "spool" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "spool" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "spool" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "spool" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "spool" is acting as noun, verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "bobbin" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "spool", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 A reel; a device around which thread, wire or cable is wound, especially a cylinder or spindle.
"If you need to reload film, the cassette can be rewound slightly by turning the hub located on one end of its spool."
- 2 A small swimming pool that can be used also as a spa.
- 3 a winder around which thread or tape or film or other flexible materials can be wound wordnet
- 4 One of the rotating assemblies of a gas turbine engine, composed of one or more turbine stages, a shaft, and one or more compressor or fan stages.
"The high-pressure spool rotates faster than the intermediate- and low-pressure spools, as the high-pressure turbine is driven by superheated combustion gases straight out of the burners, while the high-pressure compressor has to spin very fast to compress air that has already been compressed and heated by the low- and intermediate-pressure compressors."
- 5 A temporary storage area for electronic mail, etc.
Show 1 more definition
- 6 A splinter caught in the skin. West, Yorkshire
Verb
- 1 To wind on a spool or spools.
- 2 wind onto a spool or a reel wordnet
- 3 To send files to a device or a program (a spooler or a daemon that puts them in a queue for processing at a later time).
- 4 transfer data intended for a peripheral device (usually a printer) into temporary storage wordnet
Antonyms
instant outputoutput immediatelyprocess immediatelyreal time processing
Example
"Please give me a spool of white thread."
Common questions
What is a synonym for "spool"?
Common synonyms include: bobbin, reel, bobbins, buffer, coil, gyroscope.
How do you use "spool" in a sentence?
Please give me a spool of white thread.
How do you pronounce "spool"?
Pronounced /spuːl/.
Etymology
Etymology 1
From Middle English spole (possibly via Old Northern French spole, espole), from Middle Dutch spoele, from Old Dutch *spōla, *spuola, from Proto-Germanic *spōlǭ (“spool”), from Proto-Indo-European *(s)pel- (“to cleave, split”). Cognate with Saterland Frisian Spoule (“spool”), Dutch spoel (“spool”), German Spule (“spool”), Swedish spole (“spool”), Icelandic spóla (“spool; reel”). The aviation usage is based on the visual similarity of one of the spools of a turbine engine to a spool used for thread (especially in cross-section). See also spill.
Etymology 2
From blend of spa + pool.