DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   rivet
       n 1: ornament consisting of a circular rounded protuberance (as
            on a vault or shield or belt) [syn: stud, rivet]
       2: 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
       v 1: direct one's attention on something; "Please focus on your
            studies and not on your hobbies" [syn: concentrate,
            focus, center, centre, pore, rivet]
       2: fasten with a rivet or rivets
       3: hold (someone's attention); "The discovery of the skull
          riveted the paleontologists"