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 (prĭ-sē′dē-ō′, -sĭd′ē-ō′)
n. pl. pre·si·di·os
A garrison, especially a fortress of the kind established in the southwest United States by the Spanish to protect their holdings and missions.

[Spanish, from Latin praesidium, guard, defense, from praesidēre, to guard; see preside.]


(prɪˈsɪdɪˌəʊ; Spanish preˈsiðjo)
n, pl -sidios (-ˈsɪdɪˌəʊz; Spanish -ˈsiðjos)
(Military) a military post or establishment, esp in countries under Spanish control
[C19: from Spanish: garrison, from Latin praesidium a guard, protection; see preside]


(prɪˈsɪd iˌoʊ)

n., pl. -sid•i•os.
1. a garrisoned fort; military post.
2. a Spanish penal settlement.
[1755–65, Amer.; < Sp < Latin praesidium garrison, post, literally, defense]
pre•sid′i•al, adj.


A Spanish term meaning guard, used to mean a fortress such as one established by the Spanish in the southwestern United States.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.presidio - a fortress established in the southwestern United States by the Spanish in order to protect their missions and other holdingspresidio - 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"
fortress, fort - a fortified defensive structure
References in periodicals archive ?
Bay Area's Presidio Bank (OTCBB: PDOB) has announced that Larry Nibbi, chief executive officer of Nibbi Brothers General Contractors, has joined Presidio Bank's board of directors.
SAN FRANCISCO, April 21, 2015 /PRNewswire/ -- Presidio Partners, formerly CMEA Capital, today unveiled a new corporate identity, announced the promotion of Peter Gajdos to the role of Managing Director and the appointment of Lee Pantuso as Chief Financial Officer, and announced the closing of Presidio Partners 2014.
The Heritage Gallery, though, reminds you that the Presidio wasn't always a place for recreation, but the last stateside stop for tens of thousands of soldiers heading to far-off wars.
DTZ announced that it has negotiated a long-term lease consolidation and expansion for Presidio Networked Solutions at One Penn Plaza, bringing its total occupancy up to 14,106 s/f.
Before the Presidio Group could submit plans for 424 homes on the land, it had to contact about 200 people scattered across the United States and other countries and persuade them to sell land many didn't even know they owned.
CLINGING TO A WINDSWEPT outcropping above the 0 above the Pacific Ocean, the Presidio manzanita is making its last stand.
SAN FRANCISCO -- Three of The Presidio Group LLC's capital advisors have been named to the Barron's 2013 list of the Top 1,000 Advisors in America.
The senior executive team at Presidio also welcomed industry veteran, Bob Cagnazzi, CEO of BlueWater, as the new Chief Executive Officer of Presidio, Inc.
Staubach Retail has teamed with Presidio Financial Partners LLC and iStar Financial Inc.
The Presidio, a 1,500-acre Army base in San Francisco scheduled to join the National Park System in fall 1994, has become the center of controversy.
SAN FRANCISCO -- The Presidio Group LLC, through its subsidiary Presidio Merchant Partners LLC, is pleased to have advised Sovereign Motor Cars on the sale of its Mercedes-Benz dealership in Brooklyn, NY.
Presidio reports that replacing legacy infrastructure with unified communications and advanced wireless networking solutions can greatly reduce the cost of integrating multi-site campuses, and is an efficient way to provide a broad new range of enhanced learning and service features.