bone up

verb

Definition of bone up 

intransitive verb

1 : to try to master necessary information quickly : cram bone up for the exam

2 : to renew one's skill or refresh one's memory boned up on the speech just before giving it

Examples of bone up in a Sentence

I suggest you bone up a bit on torts before the next attempt at the bar exam.

First Known Use of bone up

1873, in the meaning defined at sense 1

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The first known use of bone up was in 1873

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