Source : WordNet®

Peirce
     n 1: United States mathematician and astronomer remembered for
          his studies of Uranus and Saturn and Neptune (1809-1880)
          [syn: {Benjamin Peirce}]
     2: United States philosopher and logician; pioneer of
        pragmatism (1839-1914) [syn: {Charles Peirce}, {Charles
        Franklin Peirce}]