sky·way (sk??w??)n.1. A route regularly used by airplanes; an air lane.2. An elevated highway.3. See skywalk.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.skyway (?ska?we?) na recognized route which aircraft followa raised motorwaya covered overhead walkway between two buildingsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014sky?way (?ska??we?) n. 1. air lane. 2. an elevated highway. [1915?20] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.