
1) Aro 2) Rio
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https://www.crosswordclues.com/clue/orinoco

1) Border river 2) Ciudad bolívar is on it 3) Columbus discovery of 1498 4) Electric-eel river 5) Home of some piranhas 6) Lengthy South American river 7) Long SA river 8) Long South American river 9) Major atlantic ocean feeder 10) Northern South American river 11) Noted piranha habitat 12) Orinoco river
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https://www.crosswordclues.com/clue/orinoco

ORiNOCO was the brand name for a family of wireless networking technology by Proxim Wireless (previously Lucent). These integrated circuits (codenamed Hermes) provide wireless connectivity for 802.11-compliant Wireless LANs. == Variants == Lucent offered several variants of the PC Card, referred to by different color-based monikers: Later models d...
Found on
http://en.wikipedia.org/wiki/ORiNOCO

[
n] - a South American river 1,500 miles long
Found on
http://www.webdictionary.co.uk/definition.php?query=Orinoco

Series of sub-machine-guns, CAVIM [VE]
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https://www.encyclo.co.uk/local/20785
Orinoco River noun a South American river 1,500 miles long; flows into the South Atlantic
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https://www.encyclo.co.uk/local/20974

River in northern South America; it rises in the Sierra Parima range, part of the Guiana Highlands, in southern Venezuela near the Brazilian border and flows north for about 2,400 km/1,500 mi through Venezuela, forming the boundary with Colombia for about 320 km/200 mi; tributaries include the Guaviare, Meta, Apure, Ventuari, Caura,...
Found on
https://www.encyclo.co.uk/local/21221

a river in N South America, flowing N from the border of Brazil, along the E border of Colombia, and NE through Venezuela to the Atlantic. 1600 mi. (2575 km) long.
Found on
https://www.infoplease.com/dictionary/orinoco
No exact match found.