iron nail; metal nail
Literal meaning: a nail made of metal, typically iron. Used in everyday contexts.
I drive an iron nail into the board.
His handwriting is just like a scrawl.
Sometimes 金釘流 is abbreviated to 金釘.
scrawl; stiff, angular handwriting
Standard kanji spelling for both the literal nail and the abbreviation sense.
Compound of 金 (かな, metal) and 釘 (くぎ, nail). The abbreviation sense derives from 金釘流, likening messy writing to the scratchy marks left by a metal nail.