Arauca

a river that rises in northern Colombia and flows generally eastward to the Orinoco in central Venezuela

• river — a large natural stream of water (larger than a creek)

• Colombia, Republic of Colombia — a republic in northwestern South America; the major legal crop is coffee but cocaine is also a major export
• Venezuela, Republic of Venezuela — a republic in northern South America on the Caribbean; achieved independence from Spain in 1811; rich in oil