Dictionary.net

• United States tennis player who in 1938 was the first to win the Australian and French and English and United States singles championship in the same year (1915-2000)

2006 - WordNet 3.0
By Princeton University

• United States tennis player who in 1938 was the first to win the Australian and French and English and United States singles championship in the same year (1915-2000)

2011 - English Dictionary Database
By DataStellar Co., Ltd