1. (

• stud ,
• rivet ,

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

2. (

• rivet

) 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 ;

1. (

• concentrate ,
• focus ,
• center ,
• centre ,
• pore ,
• rivet

) direct one's attention on something; "Please focus on your studies and not on your hobbies" ;

2. (

• rivet

) fasten with a rivet or rivets ;

3. (

• rivet ,

) hold (someone's attention); "The discovery of the skull riveted the paleontologists" ;