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English definition of “needle”

needle

noun [C]     /ˈniːdl/
MEDICAL the thin, sharp, metal part of a piece of medical equipment used to take blood out of the body, or to put medicine or drugs inMedical and surgical equipment
SEWING B2 a thin, pointed metal object with a small hole at one end for thread, used in sewing: a needle and threadKnitting and sewing
MEASURING a thin, pointed piece of metal or plastic that moves to point to numbers on equipment used for measuring things → See also pins and needlesPoles, rods, shafts and sticks
(Definition of needle noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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