fetus

play
noun fe·tus \ˈfē-təs\

Definition of fetus

  1. :  an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically :  a developing human from usually two months after conception to birth — compare embryo 1b

Origin and Etymology of fetus

Middle English, from Latin, act of bearing young, offspring; akin to Latin fetus newly delivered, fruitful — more at feminine


First Known Use: 14th century

Other Embryology Terms


FETUS Defined for English Language Learners

fetus

play
noun fe·tus \ˈfē-təs\

Definition of fetus for English Language Learners

  • : a human being or animal in the later stages of development before it is born


FETUS Defined for Kids

fetus

play
noun fe·tus \ˈfē-təs\

Definition of fetus for Students

  1. :  an animal not yet born or hatched but more developed than an embryo


Medical Dictionary

fetus

noun fe·tus
variants: or chiefly British

foetus

\ˈfēt-əs\play

Medical Definition of fetus

plural

fetuses

or chiefly British

foetuses

or

foeti

\ˈfēt-ˌī\play
  1. :  an unborn or unhatched vertebrate especially after attaining the basic structural plan of its kind; specifically :  a developing human from usually two months after conception to birth—compare embryo



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