Definition that contains unborn
- baby an unborn child; a human fetus
- fetus an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
- foetus an unborn or unhatched vertebrate in the later stages of development showing the main recognizable features of the mature animal
- passive immunity an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or artificially (as by injection of antiserum)