From Longman Dictionary of Contemporary Englishfencerfenc‧er /ˈfensə $ -ər/ noun [countable] DSOsomeone who fights with a long thin sword as a sport
Examples from the Corpus
fencer• He was also a good swimmer diver and horseman, as well as a fencer.• It struck me that he didn't really look like a fencer at all.• The dexterity and nimble balance of elite fencers can boggle the mind.• Only one showed him any kindness was Mosie Pick, the gutter-rag fencer of old cups and dented silver.• Some fencers just held the strut in position with six-inch nails but the company frowned on this practice. 