テイクダウンって総合格闘技やレスリングのタックルのイメージが最初に出てきます*o_ _)oバタッ

take down
【phrasal verb】
〔上にある物を〕下げる、降ろす
to remove something that is on a wall or something that is temporary, or to remove a structure by separating its different parts
:I've taken the pictures down.(C)
:She made us take down all the posters.(L)
:to take down a tent(O)
:Workmen arrived to take down the scaffolding.(O)

●BBC:2 January 2013
More Worcestershire flood warnings introduced
Flood barriers have been taken down on the River Wye after it peaked on Tuesday morning in Hereford.
(omit)
We are monitoring the situation closely and aim to take the barriers down as soon as we can after the threat has passed, to minimise disruption for local communities, a spokeswoman said.