* * *
* * *
ef·face·ment i-'fās-mənt, e- n obliteration of the uterine cervix by shortening and softening during labor so that only the external orifice remains
ef·face -'fās vt, ef·faced; ef·fac·ing
* * *
ef·face·ment (ə-fāsґmənt) the taking up or obliteration of the cervix in labor when it is so changed that only the thin external os remains.Medical dictionary. 2011.