WordReference Random House Unabridged Dictionary of American English © 2025
sto•mo•de•um
(stō′mə dē′əm, stom′ə-),USA pronunciation n., pl. -de•a (-dē′ə).USA pronunciation [Embryol.]
sto′mo•de′al, adj.
- Developmental Biologya depression in the ectoderm of the oral region of a young embryo, which develops into the mouth and oral cavity.
- Greek stóm(a) stoma + hodaîon (neuter singular) on the way; akin to -ode2
- Neo-Latin
- 1875–80
'stomodeum' also found in these entries (note: many are not synonyms or translations):