a slender U -shaped piece of wire, shell, etc., used by women to fasten up the or hold a headdress.
(of a road, curve in a road, etc.) sharply curved back, as in a U shape:
a hairpin turn.
a thin double-pronged pin used by women to fasten the hair
(modifier) (esp of a bend in a road) curving very sharply
also hair-pin, 1788 (two words), from hair + pin (n.). A hairpin turn, etc., is from 1906. Hairpin (or clothespin) was American English slang for “person” c.1880-1910, especially in the expression “That’s the kind of hairpin I am.”
[hair-rey-zer] /ˈhɛərˌreɪ zər/ noun 1. a story, experience, etc., that is terrifying or thrilling.
[hair-rey-zing] /ˈhɛərˌreɪ zɪŋ/ adjective 1. terrifying or horrifying: We had a hair-raising brush with death. adjective 1. inspiring horror; terrifying: a hair-raising drop of 600 feet adj. “exciting,” 1837, from hair + raise (v.). In 19c. works, sometimes as jocular mock-classical tricopherous.
- Hair restorer
noun 1. a lotion claimed to promote hair growth
- Hair root
hair root n. The part of a hair that is embedded in a hair follicle.