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