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whip; lash; scourge
stick; cane; rod; pointer
「策」 has another reading with different meanings.
騎手は馬に策を当てて走らせた。
The jockey used the whip to make the horse run.
彼は策を使うのは避けて正攻法で挑みたい。
He wants to avoid using tricks and challenge with a straightforward approach.
昨日は策で馬を急がせて先頭に出た。
I hurried the horse with a whip.