n.[C]

1. （互助性的）团体，协会，联合会
   Writer's Guild of Great Britain

   英国作家协会

2. （中世纪的）基尔特，行会，同业公会

n.

1. a medieval association of craftsmen or merchants.
2. an association of people for mutual aid or the pursuit of a common goal.
3. Ecology  a group of species with similar roles within a community.