Platypi
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 plural of platypus form-of, hypercorrect, plural
Etymology
* The -i plural comes from the belief that platypus is a Latin second declension noun, which it is not. In fact, it belongs to the Greek third declension. The usual plural is platypuses; platypodes is the Greek plural, which is also correct.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.