stomodeum

1 of 2

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)

stomodeal

2 of 2

adjective

sto·​mo·​de·​al
variants or less commonly stomodaeal
¦stōmə¦dēəl How to pronounce stomodeal (audio)
: of, relating to, or derived from a stomodeum

Word History

Etymology

Noun

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

Adjective

New Latin stomodaeum, stomodeum + English -al

First Known Use

Noun

1876, in the meaning defined above

Time Traveler
The first known use of stomodeum was in 1876

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 8 Jul. 2026.

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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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