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Definition of guaviare (river) in English English dictionary
- Guaviare River
- River, central and eastern Colombia. It rises in the Andes Mountains in south-central Colombia and is known as the Guayabero in its upper course. It meanders northeast before joining the Orinoco River on the border of Colombia and Venezuela after a course of about 650 mi (1,050 km). Frequent rapids obstruct navigation