Dictionary.net

• United States arctic explorer and United States naval officer who has been regarded as the first man to reach the North Pole (1856-1920)

2006 - WordNet 3.0
By Princeton University

• United States arctic explorer and United States naval officer who has been regarded as the first man to reach the North Pole (1856-1920)

2011 - English Dictionary Database
By DataStellar Co., Ltd