olla

noun4

1. •
   A cooking-pot or earthenware jar used in Spain and Spanish-speaking countries.
2. •
   A pot used for cooling water by evaporation in Latin America.
3. •
   An unglazed earthenware pot, buried to provide slow steady irrigation.

   • An olla (which literally means “pot”) is a round, unglazed terra cotta clay pot with a long neck that you fill with water and bury next to your plants. It irrigates in the ground. — 2019
4. •
   A cinerary urn.