cutoff

[kuht-awf, -of]
noun
1.
an act or instance of cutting off.
2.
something that cuts off.
3.
a road, passage, etc., that leaves another, usually providing a shortcut: Let's take the cutoff to Baltimore.
4.
a new and shorter channel formed in a river by the water cutting across a bend in its course.
5.
a point, time, or stage serving as the limit beyond which something is no longer effective, applicable, or possible.
6.
cutoffs, Also, cut-offs. shorts made by cutting the legs off a pair of trousers, especially jeans, above the knees and often leaving the cut edges ragged.
7.
Accounting. a selected point at which records are considered complete for the purpose of settling accounts, taking inventory, etc.
8.
Baseball. an infielder's interception of a ball thrown from the outfield in order to relay it to home plate or keep a base runner from advancing.
9.
Machinery. arrest of the steam moving the pistons of an engine, usually occurring before the completion of a stroke.
10.
Electronics. (in a vacuum tube) the minimum grid potential preventing an anode current.
11.
Rocketry. the termination of propulsion, either by shutting off the propellant flow or by stopping the combustion of the propellant.
adjective
12.
being or constituting the limit or ending: a cutoff date for making changes.

Origin:
1735–45; noun use of verb phrase cut off

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Etymonline
Word Origin & History

cutoff
1741, "act of cutting off," also "portion cut off," from verbal phrase cut off (late 14c.). Of rivers, from 1773; of roads, from 1806; of clothing (adj.), from 1840.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
It also has a loud noise cutoff to protect kids' hearing from picking up and amplifying sudden loud sounds.
Strong upper-level troughs and cutoff lows can cause self-destruct sunshine.
Cutoff valves meant that he couldn't flood his cell.
And both result from a sudden cutoff of oxygen to vital organs--to the brain and to the heart.
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