nAlcarrazaA vessel of porous earthenware, used for cooling liquids by evaporation from the exterior surface.
Century Dictionary and Cyclopedia
nalcarrazaA vessel made of porous unglazed pottery, used in hot climates for cooling water by the evaporation of the moisture oozing through the substance of the vessel. The effectiveness of the process is greatly increased by exposure to a current of air. In the southwestern United States commonly called olla.
Webster's Revised Unabridged Dictionary
Sp., from Ar. al-kurrāz, earthen vessel
It is then a miniature specimen of exotic pottery, a paunchy alcarraza.