noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˈplætɪpəs/
Received-Pronunciation:/ˈplætɪpʊs/
General-American:/ˈplætɪˌpʊs/
General-American:/ˈplætɪpəs/
Received-Pronunciation:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
CMU ARPABET:P L AE1 T AH0 P UH2 S
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A semiaquatic monotreme from eastern Australia with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet (Ornithorhynchus anatinus).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: duck-billed platypus, duckbill, duckmole, mallangong, tambreet, water mole
Antonyms: none provided
2
noun
Meaning 2
small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
From New Latin Platypus (originally a genus name already in use for a type of beetle), from Ancient Greek πλατύπους (platúpous, “flat-footed”), from πλατύς (platús, “flat”) + πούς (poús, “foot”). Piecewise doublet of flatfoot.
Across languages
Translations
90 source translations are retained for this English entry.