A needle is a small, pointed piece of metal that's used in medicine or sewing. When a tailor sews a button on your shirt or even when a doctor sews your skin back together, a needle is used.

Needles are sharp — when you stitch fabric with a needle, you might use a metal thimble to protect your fingertip. When a doctor or nurse uses a needle, it needs to be very sharp — it has to be able to penetrate human skin to stitch up a wound or inject a medication. When you needle someone, you don't literally poke them, but you do annoy or provoke them in some way.

Definitions of needle

n a sharp pointed implement (usually steel)

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crochet hook, crochet needle
a needle with a hook on the end; used in crocheting
dry point
a steel needle for engraving without acid on a bare copper plate
hypodermic needle
a hollow needle
knitting needle
needle consisting of a slender rod with pointed ends; usually used in pairs
packing needle
a large needle used to sew up canvas packages
sewing needle
a needle used in sewing to pull thread through cloth
darning needle, embroidery needle
a long needle with an eye large enough for heavy darning or embroidery thread
a long thin sewing needle with a sharp point
upholstery needle
any of several very heavy and sometimes curved sewing needles used by upholsterers
Type of:
instrumentation (a piece of equipment or tool) used to effect an end

n a slender pointer for indicating the reading on the scale of a measuring instrument

Type of:
an indicator as on a dial

n the leaf of a conifer

acerate leaf
Type of:
simple leaf
a leaf that is not divided into parts

n a stylus that formerly made sound by following a groove in a phonograph record

phonograph needle
Type of:
a sharp pointed device attached to the cartridge of a record player

v prick with a needle

Type of:
prick, prickle
make a small hole into, as with a needle or a thorn

v goad or provoke, as by constant criticism

“He needled her with his sarcastic remarks”
Type of:
beset, chevvy, chevy, chivvy, chivy, harass, harry, hassle, molest, plague, provoke
annoy continually or chronically

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