noun (n)

• Old World wild swine having a narrow body and prominent tusks from which most domestic swine come; introduced in United States(noun.animal)

  Synonym:
  sus scrofa, wild boar
  

  source: wordnet30
• an uncastrated male hog(noun.animal)

  source: wordnet30
• The uncastrated male of swine; specifically, the wild hog.(noun)

  source: webster1913