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n. pl. al·ti·pla·nos
A high plateau, as in the Andean regions of Bolivia, Peru, and Argentina.
[American Spanish : Latin altus, high; see al- in Indo-European roots + Latin plānum, plain; see plane1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Placename) a plateau of the Andes, covering two thirds of Bolivia and extending into S Peru: contains Lake Titicaca. Height: 3000 m (10 000 ft) to 3900 m (13 000 ft)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Al•ti•pla•no(ˌæl təˈplɑ noʊ, ˌɑl-)
a plateau region in South America, situated in the Andes of Argentina, Bolivia, and Peru.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A high mountain plateau, as in certain parts of the Andes Mountains.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.