zhēn​tóu

syringe needle

针头 (針頭) zhēn​tóu
syringe needle noun
a hollow needle used for medical injections or taking blood

The nurse skillfully fitted a new needle onto the syringe.

needle tip noun
the sharp point of a sewing or acupuncture needle

Be careful of the sharp needle when mending clothes.

Frequency

Movie subtitles
3.64 per million appears in 1% of films
Written text
2.06 per million

Sources

Definitions
CC-CEDICT