Oxford Dictionary English fetus (British English also foetus) BrE BrE//ˈfiːtəs// ; NAmE NAmE//ˈfiːtəs// Cell biology, Pregnancy Add to my wordlistjump to other resultsnoun a young human or animal before it is born, especially a human more than eight weeks after fertilization Wordfinderpregnantantenatal, child, conception, fetus, maternity leave, miscarriage, morning sickness, pregnant, scan, womb See related entries: Cell biology, PregnancySee fetus in the Oxford Learner's Dictionary of Academic EnglishSee fetus in the Oxford Advanced American DictionaryCheck pronunciation: fetus oxfordlearnersdictionaries.com