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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.



1. a jail, esp. a local one for temporary detention.
2. the act of locking up or the state of being locked up.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Informal. A place for the confinement of persons in lawful detention:
Informal: pen.
Chiefly Regional: calaboose.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
Didn't he write in those idiotic broadsheets that anyone, 'whoever it might be, should be dragged to the lockup by his hair'?
(This was the money Sergey Ivanovitch had paid.) Then he remembered how he had spent a night in the lockup for disorderly conduct in the street.
The fight concerned a trunk and ended by the doctor's being escorted to the vil- lage lockup. When he was released he rented a room above a shoe-repairing shop at the lower end of Main Street and put out the sign that announced himself as a doctor.
PESHAWAR -- An inmate died in the lockup of the University Town police station here the other day.
Earlier this month, Lyft announced it was moving its IPO lockup expiration date up one month to Aug.
LAHORE -- A robbery suspect was found dead in the lockup of Lower Mall police station on early Saturday.
Just a month ago, 30-year-old Zeeshan, arrested over charges of sexual assault, was found hanged in the police lockup of Akbari Gate.
Similarly, Hashmatullah from Sub-Jail Dir Upper transferred and posted in Central Jail Mardan, Ameenul Haq from Mardan to Kohat, Tahir Shahbaz Khan Wazir from Kohat to Buner, Najam Hussain Abbassi from Karak to Judicial Lockup Nowshera and Falak Sher from Judicial Lockup Nowshera to Central Jail Karak, the notification concluded.
GWADAR:Ten under trial prisoners, involved in murder,attempt to murder, dacoities and theft have escaped from Gwadar policestation lockup after injuring a police personnel in exchange of fire, on Sunday.
Senior police official ASP Umar Abbas said raids had been carrying out to arrest the fugitives and action would also be taken against the responsible whose negligence helped them escape from the lockup, Express News reported.
Okoi Ofem committed suicide in a jail cell at a City of Chicago lockup. His mother, Vertulie Lapre, sued the City under 42 U.S.C.
While reviewing facilities being provided to under-trial prisoners in NAB's lockup, he said that the lockup inmates are being provided faculties in the light of Constitution of the Islamic Republic of Pakistan.