[noun] [C] - (the people, vehicles, animals, etc. taking part in) an organized journey for a particular purposeScott died while he was on an expedition to the Antarctic in 1912.The British expedition to Mount Everest is/are leaving next month. [+ singular or plural verb](humorous) We're going on a shopping expedition on Saturday.
EXPEDITION
Meaning of EXPEDITION in English
Cambridge English vocab. Кембриджский английский словарь. 2012