Meaning of 捕殺補 in Japanese

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Definition of 捕殺補

とる(toru) 【捕る ·獲る】

(v5r, vt) to take; to catch (fish); to capture
きのう魚を３匹とった。
I caught three fish yesterday.

やる(yaru) 【殺る】

(v5r, vt) to do someone in; to bump someone off
もう一度政治家を殺ってみたかったが出来なかった。
We tried again to bump off the politician, but couldn't do it.

ほ(ho) 【補】