"needles" in the noun sense
1. acerate leaf, needle
the leaf of a conifer
a slender pointer for indicating the reading on the scale of a measuring instrument
a sharp pointed implement (usually steel)
4. phonograph needle, needle
a stylus that formerly made sound by following a groove in a phonograph record
"needles" in the verb sense
1. needle, goad
annoy or provoke, as by constant criticism
"He needled her with his sarcastic remarks"
prick with a needle
Source: WordNet® (An amazing lexical database of English)
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