“fetuses” is a form of
fetus
/ˈfiːtəs/ noun
Forms fetuses feti fetii foetus fœtus faetus fætus phoetus phœtus
- noun An unborn or unhatched vertebrate showing signs of the mature animal.
- noun A human embryo after the eighth week of gestation. “The sequence is: molecules in reproductive systems, then gametes, zygotes, morulas, blastocysts, and then fetuses.”
- noun (archaic) A neonate.
Synonyms
Etymology
A learned borrowing from Latin fētus (“offspring”). Doublet of fawn.
Webster’s 1913
- noun The young or embryo of an animal in the womb, or in the egg; often restricted to the later stages in the development of viviparous and oviparous animals, embryo being applied to the earlier stages.
Etymology [L. fetus, foetus, a bringing forth, brood, offspring, young ones, cf. fetus fruitful, fructified, that is or was filled with young; akin to E. fawn a deer, fecundity, felicity, feminine, female, and prob. to do, or according to others, to be.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “fetus”, CC BY-SA 4.0. Details