spools

Noun (1)

spool (plural spools)

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.2011, Rebekah Modrak, Bill Anthes, Reframing Photography: Theory and Practice
2. 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...
3. A temporary storage area for electronic mail, etc.
4. (West, Yorkshire) A splinter caught in the skin.

Noun (2)

spool (plural spools)

1. A small swimming pool that can be used also as a spa.

See all 7 meanings of spool