an island off the N coast of and belonging to Haiti: formerly a pirate stronghold. 23 miles (37 km) long; 70 sq. mi. (180 sq. km).
French La Tortue. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
Tortuga (tɔːˈtuːɡə)
French name: La Tortue an island in the Caribbean, off the NW coast of Haiti: haunt of pirates in the 17th century. Area: 180 sq km (70 sq miles)

Collins English Dictionary - Complete & Unabridged 10th Edition
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trade name for an acoustic detector that responds to ground vibrations generated by seismic waves. Geophones-also called jugs, pickups, and tortugas-are placed on the ground surface in various patterns, or arrays, to record the vibrations generated by explosives in seismic reflection and refraction work. They also are used as military detection devices. See also seismic survey.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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