Having a crest: a crested black macaque. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "crested" in a sentence
"But, just so you know, it's going to be hard to beat having my nude body covered in crested geckos."
"Here the current, flowing deep and strong, is met by the wind and runs high in crested waves."
"The next equestrian figure (IV) shows the fluted, or as it was called crested, armour, of about 1500."