block off

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block off

To prevent access to a particular area or thing. We had to block off that section of the restaurant for a private party. I had to take a detour on my way home because the water department blocked off a bunch of streets.
See also: block, off

block something off

to prevent movement through something by putting up a barrier; to close a passageway. Sam blocked the corridor off with a row of chairs. He used some chairs to block off the hallway.
See also: block, off
References in classic literature ?
What's the good of knockin' the blocks off of scabs when they keep a-comin' thick as ever?
Summary: The technology uses an expandable implant that blocks off the left atrial appendage (LAA) by angiography - a minimally-invasive treatment to prevent strokes caused by blood clots.
However, it is unacceptable for CSX stop the train so it blocks off the community from normal ebbs and flows of pedestrian and street traffic.
Reliance, with interests in refining, petrochemicals, oil and gas exploration and retail, said quarterly net profit rose 14 per cent from a year earlier, but analysts focused on delays in ramping up output from its gas blocks off India's east coast.
NORDIC BUSINESS REPORT-19 October 2005-Statoil ASA wins interest in two deepwater blocks off Brazil(C)1994-2005 M2 COMMUNICATIONS LTD http://www.
When I was a high school student, I would visit a musty eighty-year-old building four blocks off the main street of a nearby city.
Oil and Gas Director General Iin Arifin Takhyan said the oil and gas blocks include offshore blocks off Natuna, South China Sea, off South Sulawesi and off Arafura in Papua.
Our long and sometimes turbulent history with the man - he once took offence to a story we wrote and threatened to knock our blocks off - leads us to say: Get well soon, mate.
The aggressive advertising typography, which blocks off so much of the background of the picture, implies that the journey may be grid-locked with m ental traffic.
One of the two projects had been renounced in a block off Dampier, western Australia, and the other in two blocks off Bintulu in Sarawak, Malaysia, JNOC said.
The span had by definition to be asymmetrical since it had to bridge the busy quayside expressway on the Left Bank, which in turn makes the link with the lower quay dangerous for pedestrians; and on the Right Bank, the fast route renders the link with the upper quay difficult and blocks off access to the Tuileries.
East 82nd Street between Fifth and Madison is widely regarded as one of the finest townhouse blocks off Fifth Avenue.
A stroke occurs when a blood clot blocks off an artery leading to the brain.
Endeavour was awarded nine production licenses covering 18 blocks off the coast of the UK in the 22nd Seaward Licensing Round.
Entrance to the room is provided by a double door which blocks off noise; at the same time, the double leaf is intended to emphasise closure, and thereby the private, arcane nature of the room.