needleshield
nounUK /ˈniːdlʃiːld/
US /ˈniːdəlʃiːld/
A needleshield is a cover that keeps sharp needles safe.
The nurse put a needleshield on the syringe before throwing it away.
OTHER MEANINGS
2. A protective plate or barrier that blocks needle-like projectiles.
The armor's needleshield deflected the tiny darts.
3. A defensive structure of spines on a plant or animal.
The cactus uses its needleshield to keep animals away.
4. A software safeguard that blocks harmful needle-in-a-haystack data probes.
The new needleshield stopped the malicious query.