Word.ws English Dictionary

monotreme

Syllables: mo·no·treme/ˈmɒnətɹiːm/

monotreme noun: any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.

monotreme: any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and...
Image: Beddard, Frank E. (Frank Evers), 1858-1925, Public domain, via Wikimedia Commons

Noun

monotreme (plural monotremes)

  1. Any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.

Adjective

monotreme (not comparable)

  1. Having a single trema, or aperture.
    • Nomotreme fern and moss spores are monotreme.1952, G. Erdtman, Pollen Morphology and Plant Taxonomy, published 1986, →ISBN, page 548
    Synonyms:
    1-treme, monoaperturate

monotreme meaning in Hindi and Vietnamese

monotreme in Hindi

egg-laying mammal
अण्डजस्तनी aṇḍajastanī

monotreme in Vietnamese

egg-laying mammal
động vật đơn huyệt

Synonyms of monotreme

Forms of monotreme

pluralmonotremes

Origin of monotreme

From mono- (“one”) + -treme (“hole”).

Words formed from monotreme

Questions about monotreme

What does monotreme mean?
Monotreme means any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.
What is monotreme in Hindi?
Monotreme in Hindi is अण्डजस्तनी (aṇḍajastanī). See Monotreme meaning in Hindi.
What part of speech is monotreme?
Monotreme can be a noun or an adjective.
How do you pronounce monotreme?
Monotreme is pronounced /ˈmɒnətɹiːm/.
What is the plural of monotreme?
The plural of monotreme is monotremes.

Words near monotreme in the dictionary

  1. monotreatment
  2. monotremal
  3. monotremate
  4. monotrematic
  5. monotrematous
  6. monotreme
  7. monotremes
  8. monotremous
  9. monotrichous
  10. monotrichously
  11. monotriglyph

Source and license

Adapted from Wiktionary: monotreme (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-monotreme.wav.

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