From WordNet (r) 3.0 (2006):
Peter
n 1: disciple of Jesus and leader of the Apostles; regarded by
Catholics as the vicar of Christ on earth and first Pope
[syn: Peter, Simon Peter, Saint Peter, St. Peter,
Saint Peter the Apostle, St. Peter the Apostle]
2: obscene terms for penis [syn: cock, prick, dick,
shaft, pecker, peter, tool, putz]