Source : Webster's Revised Unabridged Dictionary (1913)

Cervix \Cer"vix\, n.; pl. E. {Cervixes}, L. {Cervices}. [L.]
   (Anat.)
   The neck; also, the necklike portion of any part, as of the
   womb. See Illust. of {Bird}.

Source : WordNet®

cervix
     n 1: the part of an organism that connects the head to the rest
          of the body; "he admired her long graceful neck" [syn: {neck}]
     2: necklike opening to the uterus [syn: {uterine cervix}, {cervix
        uteri}]
     [also: {cervices} (pl)]