LOCKUP Definition & Meaning

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lockup

[ lok-uhp ]

Phonetic (Standard)IPA

noun

a jail, especially a local one for temporary detention.
the act of locking up or the state of being locked up.
a temporary imprisonment or detention, as of suspects or prisoners.
a stock that has been held by an individual as a long-term investment, or that a brokerage firm is required by a regulation to hold for a certain period of time before it can be sold.
any investment or credit instrument, as a renewed loan, in which capital is tied up for a long time.
Printing.
1. the entire body of type and cuts locked up in a chase preparatory to printing or platemaking.
2. the act or procedure of locking up type and cuts in a chase.
Automotive. a sudden stopping of the rotation of a wheel.
British Informal. a rented locker, storage space, or garage.

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51�Թ� History and Origins

Origin of lockup¹

First recorded in 1760–70; noun use of verb phrase lock up

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Example Sentences

Examples have not been reviewed.

The Sacramento lockup has become one of the most violent prisons in the state, recording four homicides in 2024 and three this year.

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He is now charged with conspiring with gang “shot-callers” to smuggle heroin into lockups.

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In response, prison agency officials emailed staff at other facilities in search of volunteers from across the country willing to work at the rural New England lockup.

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He also arranged for drugs to be smuggled into the county lockups, where they could be sold for 20 times their street value, according to evidence presented in cases brought against his underlings.

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During the trial, prosecutors made clear that California prisons are flooded with contraband cellphones, which gang leaders use to control rackets inside and outside their lockups.

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