hairpin turn
US /ˈher.pɪn ˌtɜːrn/
UK /ˈher.pɪn ˌtɜːrn/

1.
curva de horquilla, curva cerrada
a very sharp bend in a road, especially on a mountain, that doubles back on itself
:
•
The bus struggled to navigate the steep hairpin turn on the mountain road.
El autobús tuvo dificultades para sortear la empinada curva de horquilla en la carretera de montaña.
•
Drivers must slow down significantly before a hairpin turn.
Los conductores deben reducir la velocidad significativamente antes de una curva de horquilla.