One that produces designs: a book designer; a dress designer.
Bearing the name, signature, or identifying pattern of a specific designer: designer luggage; designer clothing.
Conceived or created by a designer.
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.