/ brəʊtʃ; NAmE broʊtʃ/ ( especially BrE ) ( NAmE usually pin ) noun
a piece of jewellery with a pin on the back of it, that can be fastened to your clothes
••
WORD ORIGIN
Middle English : variant of broach , a noun originally meaning skewer, bodkin , from Old French broche spit for roasting, based on Latin brocchus , broccus projecting. Compare with broach .