noun (n)

• an informal term for a father; probably derived from baby talk(noun.person)

  Synonym:
  dad, daddy, pa, papa, pappa, pop
  

  source: wordnet30
• a nihilistic art movement (especially in painting) that flourished in Europe early in the 20th century; based on irrationality and negation of the accepted laws of beauty(noun.group)

  Synonym:
  dadaism
  

  source: wordnet30