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shutoff

or shut-off

[ shuht-awf, -of ]
/ ˈʃʌtˌɔf, -ˌɒf /
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noun

an object or device that shuts (something) off: the automatic shutoff on a heater.
an act or instance of shutting off something, as an opening, a flow, or a service: a shutoff of electric power due to unpaid bills.

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Origin of shutoff

First recorded in 1865–70; noun use of verb phrase shut off
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for shutoff

shut-off

noun

a device that shuts something off, esp a machine control
a stoppage or cessation

verb shut off (tr, adverb)

to stem the flow of
to block off the passage through
to isolate or separate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with shutoff

shut off

1

Stop the flow or passage of, as in They shut off the water while repairs were being made. [Early 1800s]

2

Close off, isolate, as in Loners shut themselves off from the community. [First half of 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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