rivet in WordNet English dictionary

1. direct one's attention on something
   "Please focus on your studies and not on your hobbies"
   concentrate  focus  center  centre  pore  rivet 
   
2. hold (someone's attention)
   "The discovery of the skull riveted the paleontologists"
   rivet 
   
3. fasten with a rivet or rivets
   rivet 
   

1. 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 
   
2. ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
   stud  rivet