From Longman Dictionary of Contemporary Englishhit manˈhit man noun [countable] SCCa criminal who is employed to kill someone SYN assassin
Examples from the Corpus
hit man• Maybe somebody employed a hit man.• Byrd and Bacon reportedly sought out a hit man to kill Oldham for $ 10,000.• One was about a Machine hit man who emerges from early retirement when his wife is slain by a serial murderer.• Valle said he found the incriminating letter in the home of the hit man.• The hit man, however, turned out to be an informer for the Arizona Department of Public Safety.