noun (n)

• a source of materials to nourish the body(noun.food)

  Synonym:
  aliment, nourishment, nutriment, nutrition, sustenance, victuals
  

  source: wordnet30
• the act of supplying food and nourishment(noun.act)

  Synonym:
  feeding
  

  source: wordnet30
• The act or process of affording nutriment; the function of the alimentary canal.(noun)

  source: webster1913