‖n. [ Sp., a court ] (Metal) A paved yard or floor where ores are cleaned and sorted, or where ore, salt, mercury, etc., are trampled by horses, to effect intermixture and amalgamation. [ 1913 Webster ]
☞ The patio process is used to reduce silver ores by amalgamation. [ 1913 Webster ]
Furniture such as chairs, tables, settees or loungers, suited for use on a patio{ 3 }, i.e. such that will not be damaged by exposure to rain, sun or other outdoor elements. [ PJC ]