noun
hairpin; hairclip; bobby pin
Refers to a small clip or pin used to hold hair in place. Common in everyday contexts.
髪をまとめるのにヘアピンを使った。
I used a hairpin to put my hair up.
noun
hairpin curve; hairpin turn
Abbreviation of ヘアピンカーブ. Used mainly in road or racing contexts to describe a very sharp bend.
See also: ヘアピンカーブ
あの山道にはヘアピンが連続している。
That mountain road has a series of hairpin turns.