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[awr-uh-noh-koh, ohr-; Spanish aw-ree-naw-kaw]
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  1. 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 miles (2575 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for orinoco

Contemporary Examples

Historical Examples

  • But to us 't was Orinoco, and the cities of the world dotted its shores.

    The Golden Age

    Kenneth Grahame

  • About a hundred and fifty miles beyond the Orinoco, he entered a gulf and landed.

  • It was on the banks of the Orinoco, near the city of Angostura.

    The Western World

    W.H.G. Kingston

  • There are other species of this fish,—among them the black caribe of the Orinoco.

    The Western World

    W.H.G. Kingston

  • The Orinoco is navigable within one hundred miles of Bogota.

    Commercial Geography

    Jacques W. Redway

British Dictionary definitions for orinoco


  1. a river in N South America, rising in S Venezuela and flowing west, then north as part of the border between Colombia and Venezuela, then east to the Atlantic by a great delta: the third largest river system in South America, draining an area of 945 000 sq km (365 000 sq miles); reaches a width of 22 km (14 miles) during the rainy season. Length: about 2575 km (1600 miles)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012