What is the meaning of monotreme?

noun

  • The most primitive mammals comprising the only extant members of the subclass Prototheria.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). monotreme. Retrieved September 21, 2026, from http://smartdefine.org/monotreme/definitions/1196869
ChicagoWordNet. 2010. "monotreme" http://smartdefine.org/monotreme/definitions/1196869 (accessed September 21, 2026).
HarvardWordNet 2010, monotreme, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/monotreme/definitions/1196869>.
MLAWordNet. "monotreme" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/monotreme/definitions/1196869>
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