lock

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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.

lock

(lok),
A device for holding or closing.

lock

Vox populi A device that prevents a particular action or activity. See Bloxham air lock, Heparin lock, Job lock, Vapor lock.

lock

(lok)
1. An enclosing, fastening, or securing device.
2. A mechanism that, when moved, permits or obstructs passage.
References in periodicals archive ?
The Bethel School District office and Echo Hollow Pool were also locked down during the incident, which was reported at 10:18 a.
Since the first fight, authorities have locked down Los Angeles County's entire 18,000-inmate jail system, hoping to quell further violence.
The school was locked down as a precaution because the person threatening suicide was in a house near the school, according to a dispatcher for the Lane County Sheriff's Office.
Data that is commonly locked down includes financial and other digital records, e-mails, medical images, and data related to private information that is generated across various industry segments, including government, financial services, healthcare, technology, and energy.
The Los Angeles Convention Center was locked down and then evacuated Saturday after a disturbance was reported outside, authorities said.
OAKRIDGE - An Oakridge school was locked down twice on Monday after a student reported seeing a man, possibly armed with a gun, and other students said they saw the man again later in the day.
Gartner Group estimates that while more than 60 percent of organizations want to enforce desktop lockdown, 20 percent of enterprise Windows desktops and fewer than 5 percent of laptops are locked down today.
VAN NUYS - Van Nuys High School was temporarily locked down Wednesday after students protested against the Bush administration as part of a national demonstration.