cufflink

cuff link |ˈkəfˌliNGk kəf lɪŋk | ▶noun (usu. cufflinks ) a device for fastening together the sides of a shirt cuff, often decorative.

cufflink

cuff |link |ˈkʌflɪŋk | ▶noun (usu. cufflinks ) a device for fastening together the sides of a shirt cuff, typically a pair of linked studs or a single plate connected to a short swivelling rod, passed through a hole in each side of the cuff.