II.in [美 ɪn, 英 ɪn]副in often appears as the second element of certain verb structures in English (close in, hand in, stand in, etc). For translations, see the relevant verb entry (close, hand, stand, etc).
Allegedly, the Chassidic school built a fence in the play yard; cement walls in the corridor; using separate staff rooms; different dress codes; etc., essentially splitting the school in two.
He admitted that the elephant would be chained up at times but said his instructions were that she be let loose behind an electric fence in a cordoned-off area.