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lock

 [lok]
1. a place, often airtight, where something is sealed in.
2. a device such as a clamp for holding something firmly in place.
heparin lock see heparin lock.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

lock

(lok),
A device for holding or closing.
Farlex Partner Medical Dictionary © Farlex 2012

lock

Vox populi A device that prevents a particular action or activity. See Bloxham air lock, Heparin lock, Job lock, Vapor lock.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

lock

(lok)
1. An enclosing, fastening, or securing device.
2. A mechanism that, when moved, permits or obstructs passage.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The minister appreciated the district administration and law enforcement agencies to failing the lock down attempt through an effective strategy.
The twin engine aircraft crash-landed on the runway after its undercarriage failed to lock down on the landing approach on July 28 last year.
"The campus is on lock down. Just to confirm, the University Police Department received a report of an unknown black male with a weapon in the area of the General Classroom Building.
FACE FACTS Hector O hEochagain and Risteard Cooper get up close and personal yesterday Pictures: COLLINS LOCK DOWN Hector and Risteard Cooper get to grips with their website launch in Dublin
Ward said there were two ways to lock down the contract.
He says he'd rather see companies get expert help to lock down the network.
It was the first time that Copacabana and Ipanema neighborhoods in the posh south zone had received lock down orders from gang leaders behind bars.
He said the conspirators had hatched conspiracies to derail the democratic system through lock down and sit-ins but they failed in to do so.
Replying to a question, he said the change was only possible through vote and it would not come as a result of any lock down, long march and protest.
LANCASTER - Memories of the shooting massacre at Virginia Tech last April were front and center Thursday morning, as officials at Atlantic Union College (AUC) put the campus on lock down following a phoned in threat to the Seventh-day Adventist university.