Definicija: an association of the workers in any trade or in allied trades for the protection and furtherance of their interests in regard to wages, hours, and conditions of labour, and for the provision, from their common funds, of pecuniary assistance to the members during strikes, sickness, unemployment, old age, etc.
Vir definicije: UK Data Service ELSST https://elsst.ukdataservice.ac.uk/thesaurus-search