dada
     n 1: an informal term for a father; probably derived from baby
          talk [syn: {dad}, {daddy}, {pa}, {papa}, {pappa}, {pater},
           {pop}]
     2: 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
        [syn: {dadaism}]
Source: WordNet® 2.0