a weapon with a long shaft and a sharp steel head, carried by horsemen for use when charging

a spear or harpoon for killing whales

a metal pipe or tube through which oxygen is directed, e.g. to pierce a hot metal surface

to open (e.g. a boil) with a lancet or other sharp instrument

to pierce (something) with a lance or other sharp weapon or instrument

to move forward as if by cutting one's way