noun (n)

• the male reproductive cell; the male gamete(noun.body)

  Example:
  A sperm is mostly a nucleus surrounded by little other cellular material.
  

  Synonym:
  sperm cell, spermatozoan, spermatozoon
  

  source: wordnet30
• The male fecundating fluid; semen. See Semen.(noun)

  source: webster1913
• Spermaceti.(noun)

  source: webster1913