Arrest
Capture, Apprehension
When you apprehend and catch someone, that leads to an arrest / capture.
たいほ
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
ラッシュ時の電車内で痴漢行為を働いたとして、危うく誤認逮捕されるところだった。
I was almost arrested by mistake for molestation on the rush hour train.