noun (n)

• the part of an organism (human or animal) that connects the head to the rest of the body(noun.body)

  Synonym:
  neck
  

  source: wordnet30
• necklike opening to the uterus(noun.body)

  Synonym:
  cervix uteri, uterine cervix
  

  source: wordnet30
• The neck; also, the necklike portion of any part, as of the womb. See Illust. of Bird.(noun)

  source: webster1913