Building and railway track at Clear Block Camp, Lake Webster, Massachusetts, USA. The name of the lake in Nipmuc, an Algonquian language, is the longest place name in the USA, with 45 letters: Lake Chargoggagoggmanchauggagoggchau-bunagungamaugg. In abbreviated form it is known as Lake Chaubunagungamaug. It means: Fishing Place at the Boundaries -- Neutral Meeting Grounds.