1. A thin, U-shaped pin used to fasten or hold hair in place, typically made of metal or plastic.
Usage: Usually used in plural form.; Common in hairstyling and personal grooming.
2. A sharp U-shaped turn in a road, especially on a mountain or steep terrain.
Usage: Often used in the phrase 'hairpin turn' or 'hairpin curve'.; Common in driving and road descriptions.

Examples

• She used several hairpins to secure her updo for the wedding.
• The mountain road was full of hairpins that made driving difficult.
• I found a few hairpins on the bathroom floor after styling my hair.
• The race car driver expertly navigated the hairpin turn at high speed.
• Hairpins come in different colors to match various hair types.
• The coastal highway featured a series of dangerous hairpins near the cliff edge.