livery company
noun
- (in the UK) any of a number of Companies of the City of London descended from the medieval trade guilds. They are now largely social and charitable organizations.（英国）同业公会（由伦敦中世纪行会发展而成的伦敦金融和商业区的各种同业公会, 现大多演变为社会或慈善机构）。
词源
mid 18th cent.: so named because of the distinctive costume formerly used for special occasions.