stomodeum

noun

sto·​mo·​de·​um ˌstō-mə-ˈdē-əm How to pronounce stomodeum (audio)
variants or less commonly stomodaeum
plural stomodea ˌstō-mə-ˈdē-ə How to pronounce stomodeum (audio) also stomodaea ˌstō-mə-ˈdē-ə How to pronounce stomodeum (audio)
: the embryonic anterior ectodermal part of the digestive tract
stomodeal adjective
or less commonly stomodaeal
ˌstō-mə-ˈdē-əl How to pronounce stomodeum (audio)

Word History

Etymology

New Latin, from Greek stoma mouth + hodaion, neuter of hodaios being on the way, from hodos way

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of stomodeum was in 1876

Rhymes for stomodeum

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Browse Nearby Words

stomodeal food
stomodeum
Stomoisia
See all Nearby Words

Cite this Entry

“Stomodeum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stomodeum. Accessed 31 Oct. 2025.

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Medical Definition

stomodeum

noun
sto·​mo·​de·​um
variants or stomodaeum
ˌstō-mə-ˈdē-əm How to pronounce stomodeum (audio)
plural stomodea -ˈdē-ə How to pronounce stomodeum (audio) or stomodaea -ˈdē-ə How to pronounce stomodeum (audio) also stomodeums or stomodaeums
: the embryonic anterior ectodermal part of the digestive tract
stomodeal adjective
or stomodaeal
-ˈdē-əl How to pronounce stomodeum (audio)
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