bobby pin
US /ˈbɑː.bi ˌpɪn/
UK /ˈbɑː.bi ˌpɪn/
1.
a thin metal clip bent into a U-shape, used for holding hair in place
:
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She used a bobby pin to secure her bun.
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I need a few bobby pins to keep these stray hairs in place.
a thin metal clip bent into a U-shape, used for holding hair in place