[kuh-rot-id] Anatomy.
Also called carotid artery. either of the two large arteries, one on each side of the head, that carry blood to the head and that divide into an external branch supplying the neck, face, and other external parts, and an internal branch supplying the brain, eye, and other internal parts.
pertaining to a carotid artery.

1660–70; < Greek karōtídes neck arteries, equivalent to karōt(ikós) soporific (kár(os) stupor + -ōtikos -otic) + -ides -id1; so called by Galen, who found that their compression causes stupor

carotidal, adjective
intercarotid, adjective
postcarotid, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
carotid (kəˈrɒtɪd)
1.  either one of the two principal arteries that supply blood to the head and neck
2.  of or relating to either of these arteries
[C17: from French, from Greek karōtides, from karoun to stupefy; so named by Galen, because pressure on them produced unconsciousness]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1543, "pertaining to the two great arteries of the neck," from Gk. karotides pl. of karotis, from karoun "plunge into sleep or stupor," since compression of these arteries was believed to cause unconsciousness (Galen).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

carotid ca·rot·id (kə-rŏt'ĭd)
Either of two major arteries, one on each side of the neck, that carry blood to the head. adj.
Relating to either of these arteries.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Instead its long teeth would have pierced the animal's windpipe and carotid
  artery-killing it fairly quickly.
With relative ease, these items could be inserted into the necks of the pigs
  next to the jugular veins and carotid arteries.
The drug, while lowering cholesterol effectively, failed to slow the
  progression of carotid artery plaque.
Without hesitation, a lioness severed his carotid artery.
Image for carotid
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