/ˈhɛrˌpɪnz/
NOUN
Small pins or fastening devices used to hold hair in place or secure a hairstyle.
Small accessories used to secure, arrange, or decorate hairstyles.
NOUN
Very tight bends in roads that turn sharply back in the opposite direction.
Tight curves in roads that require a sharp change of direction, often resembling the shape of a hairpin.
NOUN
A type of RNA molecule that can catalyze the cleavage and joining of RNA strands.
Specialized RNA molecules that perform catalytic reactions involving RNA cleavage and ligation.