Prototherian

noun

/ˌpɹoʊtɵˈθɪəɹi.ən/

Word Frequency: 0.0

Definitions

1.nounAny of the egg-laying mammals of the subclass Prototheria; a monotreme.

2.adjectiveBelonging or pertaining to the subclass Prototheria of monotremes.

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