pool

noun
  1. : an aggregation of the interests, obligations, or undertakings of several parties working together an insurance pool

  1. : a group of people available for some purpose — see also jury pool

pool

transitive verb
  1. : to combine (as assets or votes) in a common form or effort; especially : to combine (interests) so as not to have a merger of companies considered a purchase for accounting purposes : to combine (interests) so as not to have a merger of companies considered a purchase for accounting purposes