Definition of "Rivet" :

noun: 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

noun: ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)

verb: direct one's attention on something

verb: hold (someone's attention)

"The discovery of the skull riveted the paleontologists."

verb: fasten with a rivet or rivets