needle
noun
the leaf of a conifer
Synonymsacerate leafa slender pointer for indicating the reading on the scale of a measuring instrument
a sharp pointed implement (usually steel)
a stylus that formerly made sound by following a groove in a phonograph record
Synonymsphonograph needle
verb
annoy or provoke, as by constant criticism
“He needled her with his sarcastic remarks”
Synonymsgoadprick with a needle
Source: WordNet 3.1, Princeton University