Orinoco

American  

[awr-uh-noh-koh, ohr-, aw-ree-naw-kaw] / ˌɔr əˈnoʊ koʊ, ˌoʊr-, ˌɔ riˈnɔ kɔ /

noun

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. 1,600 miles (2,575 km) long.

---

Orinoco British  

/ ˌɒrɪˈnəʊkəʊ /

noun

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)

---

Example Sentences

Similarly, nutrient inputs from the Amazon or Orinoco rivers showed no correlation with the timing or intensity of Sargassum blooms.

From Science Daily

The Amazon River dolphin, one of two freshwater dolphin species in the Amazon and Orinoco basins, uniquely adapts to explore seasonally flooded forest habitats.

From BBC

During the 18th century C.E., voyagers roving the Orinoco River—a vast watery highway stretching across the northeastern corner of South America—reported dozens of mysterious rock engravings of snakes crowning the rocky hilltops.

From Science Magazine

The Manacacías joins the larger Meta River; then the Orinoco River, which forms part of the border with Venezuela; and there feeds into a tributary of the Amazon.

From New York Times

The mine is in the so-called Orinoco Mining Arc.

From Reuters