• synonyms


  1. a baglike structure in an animal, plant, or fungus, as one containing fluid.
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Origin of sac

1735–45; < Latin saccus sack1
Related formssac·like, adjective
Can be confusedbag sac sack sacque
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for saclike

Historical Examples

  • The octopods have a saclike body with eight arms of about equal size, in some kinds thick and short, in others long and snaky.

    Zoology: The Science of Animal Life

    Ernest Ingersoll

  • A saclike dilation in the wall of an artery as the result of weakness of its tissues.

British Dictionary definitions for saclike


  1. a pouch, bag, or pouchlike part in an animal or plant
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Derived Formssaclike, adjective

Word Origin

C18: from French, from Latin saccus; see sack 1


abbreviation for (in Britain)
  1. Special Area of Conservation
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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

Word Origin and History for saclike



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

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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").

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Online Etymology Dictionary, © 2010 Douglas Harper

saclike in Medicine


  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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

saclike in Science


  1. A pouch or pouch-shaped structure in an animal or plant, often containing liquids. The human bladder is a sac.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.