"You canker blossom!" 3 Shakespearean Insults


[sak] /sæk/
a baglike structure in an animal, plant, or fungus, as one containing fluid.
Origin of sac
1735-45; < Latin saccus sack1
Related forms
saclike, adjective
Can be confused
bag, sac, sack, sacque.


[sak, sawk] /sæk, sɔk/
noun, plural Sacs (especially collectively) Sac.


[sak] /sæk/
Strategic Air Command.
Also, S.A.C. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sac
  • A dacryocystectomy is the surgical removal of a part of the lacrimal sac.
  • If due to splash injury, it is often present only in the lower conjunctival sac.
  • The location of presentday cedar rapids was in the territory of the fox and sac tribes.
  • A cyst is a closed sac having a distinct membrane and division on the nearby tissue.
British Dictionary definitions for sac


a pouch, bag, or pouchlike part in an animal or plant
Derived Forms
saclike, adjective
Word Origin
C18: from French, from Latin saccus; see sack1


abbreviation (in Britain)
Special Area of Conservation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sac

"biological pocket," 1741, from French sac, from Latin saccus "bag" (see sack (n.1)).


central Algonquian people who lived near the upper Mississippi before the Black Hawk War of 1832, from French Canadian Saki, probably a shortened borrowing of Ojibwa (Algonquian) /osa:ki:/, literally "person of the outlet" (of the Saginaw River, which itself contains their name, and means literally "in the Sauk country").

Online Etymology Dictionary, © 2010 Douglas Harper
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sac in Medicine

sac (sāk)

  1. A pouch or bursa.

  2. An encysted abscess at the root of a tooth.

  3. The capsule of a tumor or the envelope of a cyst.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sac in Science
A pouch or pouch-shaped structure in an animal or plant, often containing liquids. The human bladder is a sac.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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sac in Technology

1. An early system on the Datatron 200 series.
[Listed in CACM 2(5):16 (May 1959)].
2. Service Access Controller.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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Related Abbreviations for sac


  1. single-attached concentrator
  2. Strategic Air Command
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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