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.
To command the attention of.
To attach or fasten parts by using rivets.
To make firm or immovable.
To install rivets.
A basis for something.
The lower body or legs.
A support or foundation, especially as a structure of masonry that supports a wall.