(Canada, US) A service, generally run by local government, for transporting household garbage to the appropriate facility.

(grammar) A noun which, though singular, refers to a group of things or animals. Examples: a school of fish, a pride of lions.

Any organisation which manages or administers copyright or rights related to copyright as its sole purpose or as one of its main purposes

A collection of works of art housed together.

(idiomatic) To remain untouched and unused for a long period of time.

plural of collective noun

The concept of maintaining peace among all nations or members of a group by making the security concerns of one member important to all members.

(psychology) The common experiences, thoughts and opinions of a large group of people taken as a whole.

(taxonomy) A collection from which the original concept of a taxonomic group was described.

A contract specifying terms and conditions of employment between one or more labour unions and employers' associations legally binding for employers organized in these and the employees if they are unionized in them or their employment contract incorporates them by referral.