spool

名词 spool:

1. a winder around which thread or tape or film or other flexible materials can be wound
   同义词：bobbin, reel

动词 spool:

1. transfer data intended for a peripheral device (usually a printer) into temporary storage
2. wind onto a spool or a reel

1. The film flew off the spool and wound itself round the projector.
   电影胶片从卷轴滑出缠绕在放映机上了。
2. A spool or reel that holds thread or yarn for spinning, weaving, knitting, sewing, or making lace.
   线轴装上线和纱线以供抽丝、缝纫、编织或编制花边的线轴或卷轴
3. An object, such as a spool or barrel, around which material is wound.
   卷筒在其周围卷绕材料的物体，如线轴或线桶
4. I need one more spool of thread before finishing the embroidery.
   再来一轴线我就可以完成这幅刺绣了。

spool 2

v.tr.（及物动词）
spooled,spool.ing,spools
To store (data sent to a printer) in a buffer, allowing the program that sent the data to the printer to resume its normal operation.
工作时转存：将（发往打印机的数据）储存在缓冲器中，使向打印机发送该数据的程序可以继续其正常运行

来源：
s(imultaneous) p(eripheral) o(perations) o(n) l(ine)
s(imultaneous) p(eripheral) o(perations) o(n) l(ine)