cowpool

cow +‎ pool (“small body of water”).

cowpool (plural cowpools)

1. A pond used by cows.
   • 1986, Hortense Calisher, The Bobby-Soxer, Doubleday, published 1986, →ISBN, page 278:

     Dried snot on the marijuana pipe tossed into the cowpool built with government subsidy on a Vermont commune.

cow +‎ pool (“to put together”), by analogy with carpool.

cowpool (plural cowpools)

1. A group that engages in cowpooling.
   • 2008 August 10, Peter Andrey Smith, “The ABCs of the New CSAs”, in Gourmet:

     Others have created so-called "cowpools" to divvy up an entire animal and dole out cuts of meat.

cowpool (third-person singular simple present cowpools, present participle cowpooling, simple past and past participle cowpooled)

1. To jointly purchase all or part of a butchered cow with one or more additional parties and split the meat.
   • 2011 June 22, Lukas Johnson, “Company connects local food movement”, in Lake Norman News:

     Brandee Callahan, 32, has lived in Huntersville for about two years and has ordered from GO Local for a year. She cowpools about every three months and supplements with smaller orders.