Definition of "cooperation"

cooperation

/kəʊˌɒp.əˈɹeɪ.ʃən/

noun
countable and uncountable, plural cooperations
1. (usually uncountable) The act of cooperating.
2. Active help from a person, organization, etc., such as an orderly sharing of space or resources.
  Quotations
  South Korea is seeking cooperation from China to produce artificial rain to help fight increasing pollution. Audio (US)(file)
  2019, VOA Learning English (public domain)
3. Association for mutual benefit, such as for purposes of production or purchase.