fencing

nouns

a barrier that serves to enclose an area
is derived from
material for building fences
the art or sport of fighting with swords (especially the use of foils or epees or sabres to score points under a set of rules)
is derived from
is a type of (narrower)
the act using a sword (or other weapon) vigorously and skillfully
is a type of (narrower)
the act of fighting; any contest or struggle
"a fight broke out at the hockey game"; "there was fighting in the streets"; "the unhappy couple got into a terrible scrap"