Definition of fetus noun from the Oxford Advanced Learner's Dictionary

 

fetus

 
(British English also foetus)
BrE BrE//ˈfiːtəs//
 
; NAmE NAmE//ˈfiːtəs//
 
Cell biology, Pregnancy
 
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noun a young human or animal before it is born, especially a human more than eight weeks after fertilization Wordfinderantenatal, child, conception, fetus, maternity leave, miscarriage, morning sickness, pregnant, scan, womb See related entries: Cell biology, Pregnancy
See the Oxford Advanced American Dictionary entry: fetus