A·ne·to (?-n??t?, ä-n??-), Pico de A peak, 3,404 m (11,168 ft) high, in northeast Spain near the French border. It is the highest elevation in the Pyrenees.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.Aneto (Spanish a?neto) n (Placename) Pico de Aneto (?piko de) a mountain in N Spain, near the French border: the highest in the Pyrenees. Height: 3404 m (11 168 ft)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014A?ne?to (??n? t?) n. Pico de, a mountain in NE Spain: highest peak of the Pyrenees. 11,165 ft. (3400 m). French, Pic de Néthou. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.