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needle
Text:
1
a slender hollow instrument by which material is put into or taken from the body through the skin <the nurse inserted the needle into his vein and collected some blood for testing> Synonymshypodermic, hypodermic needle, hypodermic syringe, syringe
2
an arrow-shaped piece on a dial or scale for registering information <simply by reading the compass needle you should be able to figure out in which direction we're heading> — see pointer 1
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