noun · the point of a spear or the cutting edge of a tool or weapon

他仔细地观察着这把古剑的锋。

noun · the leading part of an army or the front line of an advancing force

大军以精锐骑兵为锋，迅速突破了敌人的防线。

noun · an attacking player positioned in the front line of a sports team

他身体素质极佳，在篮球队中司职中锋。