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presidio Meaning, Definition & Usage

  1. noun a fortress established in the southwestern United States by the Spanish in order to protect their missions and other holdings
    • Tucson was first settled as a walled presidio
WordNet

Pre*si"di*o noun
Etymology
Sp.
Definitions
  1. A place of defense; a fortress; a garrison; a fortress; a garrison or guardhouse.

Webster 1913