Meanings
Usage patterns
〈物〉の巻きをほどくto unroll something (a roll of cloth or paper)
I unrolled the bolt of cloth and spread it out.
〈物〉の巻きが甘いthe winding of something (e.g. a spring) is loose or insufficient
The watch stopped because the spring wasn't wound tightly enough.
全〈数〉巻complete in ... volumes
This series is completed in 10 volumes.
巻きで〈動詞〉to hurry up and do something; to speed things along
We're short on time, so let's move things along quickly.
Expressions
虎の巻book of secrets; inside information; trade secrets · study guide; crib; answer key ねじりはちまきでwith all one's might; wholeheartedly; giving it everything