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1. Informal A jail, especially one in which offenders are held while awaiting a court hearing.
a. The act or an instance of locking.
b. The state of being locked.



1. a jail, esp. a local one for temporary detention.
2. the act of locking up or the state of being locked up.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lockup - jail in a local police station
gaol, jail, jailhouse, pokey, poky, slammer, clink - a correctional institution used to detain persons who are in the lawful custody of the government (either accused persons awaiting trial or convicted persons serving a sentence)
2.lockup - the act of locking something up to protect itlockup - the act of locking something up to protect it
protection - the activity of protecting someone or something; "the witnesses demanded police protection"


Informal. A place for the confinement of persons in lawful detention:
Informal: pen.
Chiefly Regional: calaboose.
References in classic literature ?
The fight concerned a trunk and ended by the doctor's being escorted to the vil- lage lockup.
Didn't he write in those idiotic broadsheets that anyone, 'whoever it might be, should be dragged to the lockup by his hair'?
Then he remembered how he had spent a night in the lockup for disorderly conduct in the street.
We then proceed to introduce the empirical model for studying lockup lengths in Section B.
The APA and political tehsildar were playing the role of rival party and they were harassing his brother in lockup, he alleged.
In contrast, for the 5-10 partner and 25 partner practices, lockup worsened by 5% and 8% respectively.
Lockup agreements More than 70% of respondents surveyed offer lockup agreements, with the most popular terms being 30, 60 and 90 days, though 29% provide lockups for as long as 365 days, depending on the client relationship.
The MDA's Lockup program is a national fundraiser that occurs at various times throughout the year to help fund lifesaving research, a nationwide network of medical clinics and accessible summer camps for those affected by neuromuscular diseases.
The lockup period specified may range from several days to a couple of years, with a mode of 180 days.
According to the report, lockups, which typically last 90 to 180 days, are designed to prevent the market from being swamped with too many of a company's shares immediately after an IPO, as keeping the amount of stock scarce can help boost the price.
Additional lockups expire in mid-December and May 2013.