egg case

noun

: a protective case enclosing eggs : ootheca

called also egg capsule

Examples of egg case in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Artificial corals can give deep-water marine life a place to live; cat sharks, for example, wrap necklace-like egg cases around any structure, natural or not, that sticks up from the seafloor. Jeffrey Marlow, New Yorker, 5 Apr. 2026 The list below takes a closer look at seven of the most unusual eggs (and egg cases) in the animal world and the creatures that produce them. Encyclopedia Britannica, 30 Mar. 2026 On average, coral catshark egg cases contained about 21 particles per case, while Hasselt’s bamboo shark egg cases contained roughly 16. Melissa Cristina Márquez, Forbes.com, 20 Feb. 2026 Because these egg cases can also float to the surface, should one be found on the beach, Seid advises throwing it gently back into the ocean. Ashley MacKin Solomon, San Diego Union-Tribune, 8 Dec. 2025 See All Example Sentences for egg case

Word History

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of egg case was in 1847

Browse Nearby Words

Cite this Entry

“Egg case.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/egg%20case. Accessed 21 Apr. 2026.

Kids Definition

egg case

noun
: a case that encloses and protects eggs (as of an insect)
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