-
A protective capsule of certain animals, such as insects and mollusks, that contains eggs.
-
See egg sac
Etymology
Origin of egg case
First recorded in 1840–50
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Could it be an egg case, a sponge, or something entirely new?
From Science Daily • Apr. 27, 2026
No final decision has been made on the egg case.
From The Wall Street Journal • Apr. 17, 2026
A small hole in its base led the researchers to speculate it may be egg case or a dead sponge attachment.
From DOGO News • Sep. 18, 2023
The shark egg case has tentacles that snag in seaweed and give the newborn shark cover.
From Textbooks • Apr. 25, 2013
As she got closer to the thing on the wall, she saw that it was some kind of a sac, like a spider’s egg case.
From "Coraline" by Neil Gaiman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
