n.[C]

1. 【纺】线轴，线管
2. 线轴状物；（电器上的）绕线管；（录音带、胶片等的）卷轴，卷筒
   Can you wind this film back on to its spool?

   你能把这胶卷卷回到卷轴上去吗？

3. 一卷[（+of）]
   I bought three spools of thread at the store.

   我在这个店里买了三轴线。

vt.

1. 将（线等）卷在线轴（卷轴）上；缠绕

n.

v.

1. wind or be wound on to a spool.
2. Computing  send (data for printing or peripheral processing) to an intermediate store.
3. (spool up) increase the speed of rotation of a device to the working speed.