The meaning of Spool

noun

A cylindrical device on which film, magnetic tape, thread, or other flexible materials can be wound; a reel.

Usage examples:

Spools of electrical cable

verb

Wind (magnetic tape, thread, etc.) on to a spool.

Usage examples:

He was trying to spool his tapes back into the cassettes with a pencil eraser

verb

Send (data that is intended for printing or processing on a peripheral device) to an intermediate store.

Usage examples:

Users can set which folder they wish to spool files to

verb

(of an engine) increase its speed of rotation, typically to that required for operation.

Usage examples:

A jet engine can take up to six seconds to spool up

noun

A cylinder that is wider at each end, around which esp. thread, wire, or film is wrapped

Usage examples:

Tv cables were unwound from huge spools.