any of the egg-laying mammals of the subclass prototheria; a monotreme

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Definition of any of the egg-laying mammals of the subclass prototheria; a monotreme in English English dictionary

Related Terms

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

prototherian

Monotremes (prototherians), which include the duck-billed platypus, and short- and long-beaked echidnas, have a cloaca—a single opening for the fecal, urinary, and reproductive tracts.

Hyphenation

a-ny of the egg-laying mammals of the sub-class prototheria; a mon-o-treme