roundcutter
nounUK /ˈraʊndˌkʌtə/
US /ˈraʊndˌkʌtər/
A roundcutter is a tool that cuts circles in things like paper or dough.
Mom used a roundcutter to make circle-shaped cookies.
OTHER MEANINGS
2. A machine or blade attachment that trims material into a circular shape in manufacturing.
The factory's roundcutter sliced the metal sheets into perfect discs.
3. A person whose job is to cut round pieces, as in a bakery or workshop.
The roundcutter at the bakery shaped dozens of buns each morning.
4. In woodworking, a rotating bit used to cut circular holes or edges.
He fitted a roundcutter to the drill to make a neat hole for the pipe.