Meaning of “needle” - Learner’s Dictionary

needle

noun [ C ] uk us /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 in

SEWING

B2 a thin, pointed metal object with a small hole at one end for thread, used in sewing:

a needle and thread
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 needles

(Definition of “needle” from the Cambridge Learner’s Dictionary © Cambridge University Press)