pa·tio /ˈpætiˌo ||ˈpɑ-/
 天井


 Pa·ti·o n.  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.
 Note: ☞ The patio process is used to reduce silver ores by amalgamation.
 2. In Spain, Spanish America, etc., a court or courtyard of a house or other building; esp., an inner court open to the sky.

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 patio
      n : usually paved outdoor area adjoining a residence [syn: terrace]