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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 28-year-old established himself as Warren Gatland's key lock forward at the World Cup.
Lock forward Kennedy, 27, broke into the England side during the autumn internationals, while Ojo and Hodgson are both looking to force their way back into Martin Johnson's plans.
A replacement for the lock forward was drafted in, although the Greens crashed to a 40-8 away defeat to remain in relegation trouble.
The 27-year-old lock forward, who has earned 10 Cheshire caps, is moving t o Edge Hall Road to link u p with new director of rugby Simon Mason for the start of their National Two League campaign.
But Newcastle kept plugging away and were rewarded with a try from lock forward Stuart Grimes at the death.
Lock forward Neil Fletcher was shown the red card in the 32nd minute after a wrestling match involving seven players.
Blues give a debut to Samoan lock forward Filo Paulo against a Treviso side unbeaten in their last two games against former European champions Munster and Ulster.
Lock forward Gray, 21, was outstanding throughout Scotland's 34-21 defeat against France, while Ansbro continued to repay head Andy Robinson's faith after being drafted into the set-up during the autumn internationals.
Caldy lock forward Richard Bradshaw said: "Last weekend's game was really tough for both sides with neither giving an inch.
DRAGONS lock forward Peter Sidoli has officially completed his move to Italian Super 10 champions Calvisano.
LEICESTER lock forward Jim Hamilton is expected to miss the rest of Scotland's RBS 6 Nations Championship with a badly sprained right ankle.
But Nuns moved clear on the hour when lock forward Ben Griffiths barged his way over and Thomas improved the try with his conversion to put the Division Two side 18-6 in front.