stomodeum

S1T1O1M3O1D2E1U1M3

noun

A depression on the ectoderm of a developing embryo that becomes the mouth.

OriginAncient Greek στόμα →
Scrabble 14
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Meanings

nounstomodeum (plural stomodea or (uncommon) stomodeums)

plural stomodea · plural uncommon stomodeums · alternative stomatodaeum · alternative stomatodeum · alternative stomodaeum · alternative stomodæum

  1. anatomyA depression on the ectoderm of a developing embryo that becomes the mouth.

Origin

  1. Ancient Greekστόμα“mouth”
  2. Englishstomodeum

From Ancient Greek στόμα (stóma, “mouth”) + a latinized and nominalized form of Ancient Greek ὁδαῖος (hodaîos, “on the way”). Compare proctodeum, urodeum, coprodeum, and phallodeum.

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

stomodeum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/stomodeum

MLA

“stomodeum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stomodeum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “stomodeum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/stomodeum.

Source: stomodeum on Wiktionary, CC BY-SA 4.0.