definition of
rivet

[1] #1 rivet v. [concentrate, focus, center, centre, pore] direct one's attention on something; "Please focus on your studies and not on your hobbies". wn

[2] #2 rivet n. [stud] ornament consisting of a circular rounded protuberance (as on a vault or shield or belt). wn

[3] #3 rivet n. 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. wn

[4] #4 rivet v. fasten with a rivet or rivets. wn

[5] #5 rivet v. hold (someone's attention); "The discovery of the skull riveted the paleontologists". wn