To become unfastened or undone.
To make loose.
To free from restraint; to set at liberty.
To relieve (the bowels) from constipation; to promote defecation.
To become loose.
To disengage (a device that restrains).
To make firm or immovable.
To command the attention of.
To attach or fasten parts by using rivets.
To install rivets.
Any fixed point or certain basis.
A cylindrical mechanical fastener that attaches multiple parts together by fitting through a hole and deforming the head(s) at either end.