A punch is a striking blow with the fist, it is used in some martial arts and combat sports, most notably boxing where it is the only type of technique allowed.
2. n. Punch, tonus, vigueur de la frappe.
3. n. Poinçon.
A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer.