Word Study
hairpin
CIDE DICTIONARY
hairpin, n.
A pin, usually forked, or of bent wire, for fastening the hair in place, -- used by women. [1913 Webster]
OXFORD DICTIONARY
hairpin, n. a U-shaped pin for fastening the hair.
Idiom
hairpin bend a sharp U-shaped bend in a road.
THESAURUS
hairpin
aberrancy, aberration, bend, bendy, bias, branching off, chevron, chevronwise, chevrony, circuitousness, corner, crankiness, crankled, crook, crooked, crookedness, curve, curvy, declination, departure, detour, deviance, deviancy, deviation, deviousness, digression, discursion, divagation, divarication, divergence, diversion, dogleg, double, drift, drifting, errantry, excursion, excursus, exorbitation, flexuosity, flexuous, indirection, obliquity, pererration, rambling, sheer, shift, shifting, shifting course, shifting path, skew, slant, staggered, straying, sweep, swerve, swerving, swinging, switchback, tack, turn, turning, twist, twisty, variation, veer, wandering, warp, yaw, zag, zig, zigzag, zigzaggery, zigzaggy, zigzagwaysFor further exploring for "hairpin" in Webster Dictionary Online