egg sac


a silken case or capsule containing eggs of a female spider.
Also called egg case. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for egg sac

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.