noun, British English - a small fastener used in clothing and accessories, consisting of two interlocking discs that close with a sharp click when pressed together and can be pulled apart by force
noun, British English - a small fastener used in clothing and accessories, consisting of two interlocking discs that close with a sharp click when pressed together and can be pulled apart by force
noun, British English, informal - a small fastener used in clothing and accessories, consisting of two interlocking discs that close with a sharp click when pressed together and can be pulled apart by force