muralled

mu·raled

also mu·ralled  (myo͝or′əld)
adj.
Decorated with murals or a mural: muraled halls.
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.

muralled

or

muraled

adj
(Art Terms) decorated with a mural or murals
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014