rollingknife

noun
UK /ˈrəʊlɪŋ naɪf/
US /ˈroʊlɪŋ naɪf/

A rolling knife is a special knife with a round wheel blade that you push to cut things.

She used a rolling knife to cut the pizza into slices.


OTHER MEANINGS

2. A knife blade that rolls along a track or guide.

The machine's rolling knife slid smoothly along the metal rail.

3. A tool with a rotating circular blade for cutting fabric or paper.

He used a rolling knife to cut the cloth in a straight line.

4. A knife that is rolled over dough to score or shape it.

The baker ran a rolling knife over the bread before baking.