fetus(n = noun.animal) foetus - an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal;
is a kind of craniate, vertebrate
has parts: ductus arteriosus, umbilical, umbilical cord
has particulars: monster, teras, abortus, baby
Derived form adjective fetal1
The young or embryo of a vertebrate animal in the womb, or in the egg; often restricted to the later stages in the development of viviparous and oviparous animals. showing the main recognizable features of the mature animal,
fetus, US var. of FOETUS.