螺丝钉

Traditional form:

螺絲釘

Pinyin (reading):

luósīdīng

Definitions:

• screw

Characters:

• 螺 - spiral shell, conch; spiral
• 丝 - silk, fine thread; wire; strings
• 钉 - nail, spike

Traditional characters:

• 螺 - spiral shell, conch; spiral
• 絲 - silk, fine thread; wire; strings
• 釘 - nail, spike