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egg sac

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SEE MORE SYNONYMS FOR egg sac ON THESAURUS.COM

noun

a silken case or capsule containing eggs of a female spider.

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Read more in this article about some frequently asked questions and fun facts related to our definitions.

Read more in this article about some frequently asked questions and fun facts related to our definitions.

RELATED WORDS

Also called egg case.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for egg sac

Historical Examples of egg sac

In the specimen figured, the egg-sac was concealed in the upper part of the web.
Cornell Nature-Study Leaflets
Various
In a spider's egg-sac the young after hatching do not immediately leave the sac, but remain in it for several days.
Elementary Zoology, Second Edition
Vernon L. Kellogg
These eggs hatch early in the winter; but no spiders emerge from the egg-sac until the following spring.
Cornell Nature-Study Leaflets
Various
One of the running spiders (Dolomedes) carries her egg-sac with her mandibles until the young are ready to emerge.
Cornell Nature-Study Leaflets
Various

Science definitions for egg sac

egg sac

The silken pouch in which many spiders deposit their eggs. Also called egg case

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.