1. a British police officer
Usage: British informal
2. a small hairpin with two prongs used to hold hair in place
Usage: also called bobby pin

Examples

• The bobby walked his beat through the neighborhood.
• She asked the bobby for directions to the train station.
• The bobby pin fell out of her hair during the dance.
• She used several bobbies to keep her updo in place.
• The local bobby knew everyone in the small village.
• Her grandmother always called hairpins bobbies.