1.
hammer
A tool with a heavy metal head used for hitting nails.
2.
person who can't swim
Colloquial term for someone who sinks like a hammer in water.
金槌 has two meanings: a hammer (tool) and a person who can't swim.
Sense 1 - hammer
Sense 2 - non-swimmer (COLLOQUIAL)
WHY THIS MEANING?
A metal hammer sinks immediately in water - just like someone who can't swim!
Forms
金 (metal) + 槌 (hammer)
Similar words
Related Words
Compare:
ハンマー (hammer)
Compare:
木槌 (wooden mallet)
Related:
釘 (nail)
Related:
たがね (cold chisel)