rivet
— Noun
– English
~ heavy pin having a head at one end and the other end being hammered flat after being passed through holes in the pieces that are fastened together
rivet
— Noun
– English
~ ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
rivet line
— Noun
– English
~ a line of rivets at a seam; "the fuselage cracked along the rivet line"