The central part or point of anything; the middle.
An eye on the underside of a carronade for securing it to a carriage.
The indentation or bump remaining in the abdomen of mammals where the umbilical cord was attached before birth.
A navel orange.
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.