Madeira
American Heritage Dictionary:
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Ma·dei·ra1
A river of northwest Brazil rising on the Bolivian border and flowing about 3,315 km (2,060 mi) generally northeast to the Amazon River near Manaus. It is the most important tributary of the Amazon.
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Madeira
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[məʹderə]
River in NW Brazil, which rises on the Bolivian border and flows about 900 mi./1,450 km. to meet the Amazon E of Manaus. It is navigable to large ocean-going vessels as far as Pôrto Velho.
Madeiran adj.
Columbia Encyclopedia:
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Ma·dei·ra
Madeira (mədā'rə), river, c.2,100 mi (3,380 km) long, formed by the junction of the Beni and Mamoré rivers on the Bolivia-Brazil border. It flows north along the border for c.60 mi (100 km), then northeast in a winding course through the Rondônia and Amazonas sections of NW Brazil into the Amazon River. At its mouth is Ilha Tupinambaranas, an extensive marshy region formed by the Madeira's distributaries. The river receives numerous tributaries from the southeast and is navigable by ocean vessels to the falls and rapids near Pôrto Velho, Brazil. There the Madeira-Mamoré RR begins a 227 mi (365 km) run around the unnavigable section to Guajará-Mirim on the Mamoré River.
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.
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Oxford Essential Geographical Dictionary
The Oxford Essential Geographical Dictionary. Copyright © 2006 by Oxford University Press, Inc. All rights reserved.
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