v. Simple past tense and past participle of retain.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. continued in your keeping or use or memory
Word Usage
"Mr. Whyte is also the first jockey in Hong Kong to ever break four digits in career victories and has been champion jockey for the past 11 seasons—a title retained Sunday at Sha Tin Racecourse to conclude the 2011 racing season."