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egg case

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noun

Entomology. ootheca.
Entomology. egg sac.

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Origin of egg case

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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Scientific definitions for egg case

egg case

A protective capsule of certain animals, such as insects and mollusks, that contains eggs.
See egg sac.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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