needle

A fine, sharp implement usually for piercing such as sewing, or knitting, acupuncture, tattooing, body piercing, medical injections, etc.

The seamstress threaded the needle to sew on a button.

Any slender, pointed object resembling a needle, such as a pointed crystal, a sharp pinnacle of rock, an obelisk, etc.

A fine measurement indicator on a dial or graph, e.g. a compass needle.

The needle on the fuel gauge pointed to empty.

A sensor for playing phonograph records, a phonograph stylus.

Ziggy bought some diamond needles for his hi-fi phonograph.

A needle-like leaf found on some conifers.

A strong beam resting on props, used as a temporary support during building repairs.

(usually preceded by the) The death penalty carried out by lethal injection.

A text string that is searched for within another string. (see: needle in a haystack)