prenatal Syllabification: (pre·na·tal)Pronunciation: /prēˈnātl/Translate prenatal | into French | into Italian | into Spanish Definition of prenatal adjective before birth; during or relating to pregnancy:prenatal developmentDerivatives prenatallyPronunciation: /-ˈnātl-ē/ adverb prenatal in other Oxford dictionaries Definition of prenatal in the British & World English dictionary