needle
nounA slender, pointed implement used for sewing or surgical suturing, made usually of polished steel and having an eye at one end through which a length of thread is passed and held.
nounAny of various similar implements, such as a fine sharp-pointed instrument used in acupuncture or a pointed shaft used in knitting, crocheting, or lace making.
nounA sharp-pointed instrument used in engraving.
nounA slender piece of jewel or steel used to transmit vibrations from the grooves of a phonograph record.
nounA slender pointer or indicator on a dial, scale, or similar part of a mechanical device.
nounA magnetic needle.
nounA hypodermic needle.