螺紋
luó​wén

screw thread

Senses

螺纹/ 螺紋 luó​wén screw thread

The spiral ridge or groove on the surface of a screw, bolt, or inside a nut; also called 螺丝扣 luó​sī​kòu.

螺纹/ 螺紋 luó​wén fingerprint whorl

The spiral patterns or whorls found on the tips of fingers and toes.

References

same_as 螺纹/螺紋 → 螺丝扣/螺絲扣
variant 螺纹/螺紋 → 罗纹/羅紋
same_as 螺丝扣/螺絲扣 → 螺纹/螺紋
variant 罗纹/羅紋 → 螺纹/螺紋