noun
Golf term for a club with a metal head; used in contexts like アイアンショット or 5番アイアン.
彼は5番アイアンでグリーンを狙った。
He aimed for the green with a 5-iron.
noun
Refers to the chemical element Fe; less common than 鉄 (てつ) in everyday Japanese, but used in some compound words and brand names.
This supplement contains iron.