Definitions:
a very fine slender piece of polished metal with a point at one end and a hole or eye for thread at the other, used in sewing

the pointed hollow end of a hypodermic syringe.

a thin pointer on a dial, compass, or other instrument

a stylus used to play records

the sharp, stiff, slender leaf of a fir or pine tree.

a pointed rock or peak

hostility or antagonism provoked by rivalry

a beam used as a temporary support during underpinning.

prick or pierce with or as if with a needle

provoke or annoy (someone) by continual criticism or questioning