Rivet
WordNet
noun
(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
(2) Ornament consisting of a circular rounded protuberance (as on a vault or shield or belt)
verb
(3) Direct one's attention on something
"Please focus on your studies and not on your hobbies"
(4) Hold (someone's attention)
"The discovery of the skull riveted the paleontologists"
(5) Fasten with a rivet or rivets
WiktionaryText
Etymology
Old French rivet, from Medieval Dutch wriven, "to grind"
Noun
- A cylindrical mechanical fastener that attaches multiple parts together by fitting through a hole and deforming the head(s) at either end.