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Definition of oma
oma
/ˈoʊ.mɑː/
o · ma
Plural:omas
oma Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
2
oma Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A grandmother, especially one of German or Dutch heritage, or used as an affectionate term of address.
Example
"Every winter, our oma bakes traditional spiced cookies for the entire family."
2
In medicine, a tumor, neoplasm, or abnormal swelling (derived from the medical suffix -oma).
Example
"The pathology report confirmed that the small oma removed during the biopsy was benign."
Synonyms
View all synonyms for oma Antonyms
View all antonyms for oma• Rhymes for oma
Word Origin & Etymology
In its familial sense, the word was borrowed from German and Dutch 'Oma', a child's colloquial contraction of 'Großmama' or 'grootmama' (grandmama). In its medical sense, it serves as an independent noun extracted from the Neo-Latin suffix '-oma' (derived from Ancient Greek '-ōma'), which denotes a morbid growth or tumor.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Oma. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/oma