to disallow entry into (a place) by means of a physical barrier at the entry pointmuseum officials closed off the west wing after the fire
museum officials closed off the west wing after the fire
bar, barricade, blockade, block (off), guard, wall (off)
curtain (off), screen (off)dike, fence, gate, hedgebolt, lockobstruct
open, unbar
reopen, unblock, unbolt
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