noun A cylindrical mechanical fastener which is supplied with a factory head at one end and is used to attach multiple parts together by passing its bucktail through a hole and upsetting its end to form a field head.
noun Any fixed point or certain basis.
noun A light kind of footman's plate armour; an almain rivet.
verb To attach or fasten parts by using rivets. .mw-parser-output .defdate{font-size:smaller}