IPA: /ˈrɪvɪtər/
KK: /ˈrɪvɪtər/
A tool or machine that is used to fasten pieces of metal together by inserting rivets, or a person who does this job.
The riveter worked diligently to secure the metal panels of the aircraft.
Riveter → It is formed from "rive" (from Old French *river*, meaning to split or tear) and "-er" (meaning a person who). A riveter is a person who splits or tears metal to fasten pieces together.
Think of someone who 'tears' ('rive') metal to fasten things — that's what a riveter does.