Word.ws English Dictionary

prototherians

prototherians is the plural of prototherian.

Meaning of prototherian

Noun

prototherian (plural prototherians)

  1. Any of the egg-laying mammals of the subclass Prototheria; a monotreme.
    • 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.1999, George A. Feldhamer, Mammalogy: Adaptation, Diversity, and Ecology, McGraw-Hill, →ISBN, page 192

See all 2 meanings of prototherian

Questions about prototherians

What is prototherians the plural of?
Prototherians is the plural of prototherian.

Words near prototherians in the dictionary

  1. prototheorids
  2. protothere
  3. prototheres
  4. prototherial
  5. prototherian
  6. prototherians
  7. protothetic
  8. protothetics
  9. protothread
  10. protothreads
  11. Protothyes

Source and license

Adapted from Wiktionary: prototherians (page history and authors); prototherian (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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