Medical Dictionary
Main Entry:
men·ar·che Pronunciation:
'men-"är-kE Function:
noun : the beginning of the menstrual function;
especially : the first menstrual period of an individual —
men·ar·che·al /"men-'är-kE-&l/ or men·ar·chal /men-'är-k&l/ also men·ar·chi·al /men-'är-kE-&l/ adjective