Polymastia
//pɒlɪˈmæstɪə// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The fact or condition of having more than two mammae or nipples. uncountable
"Viewed in the light of comparative anatomy, polymastia is interesting, as showing a tendency to re-establish the series of mammae seen in other mammalia; but Darwin has lately repudiated atavism as a cause of this malformation"
Example
More examples"Viewed in the light of comparative anatomy, polymastia is interesting, as showing a tendency to re-establish the series of mammae seen in other mammalia; but Darwin has lately repudiated atavism as a cause of this malformation"
Etymology
From poly- + -mastia (corresponding to Ancient Greek μαστός (mastós, “breast”)).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.