Simple Definition of fetus

from our Learner's Dictionary

fetus

noun

variants or chiefly British foetus
ˈfiːtəs How to pronounce fetus (audio)
plural fetuses
: a human being or animal in the later stages of development before it is born

Cite this Entry

“Fetus.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/fetus. Accessed 22 Apr. 2026.

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Nglish: Translation of fetus for Spanish Speakers

Britannica.com: Encyclopedia article about fetus

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