casters
nounUK /ˈkɑːstəz/
US /ˈkæstərz/
Casters are small wheels that let things roll around easily.
The desk has casters on its legs so we can move it.
OTHER MEANINGS
2. People or things that cast or throw something.
The casters of the fishing nets worked all morning.
3. Small containers with holes on top for sprinkling sugar or salt.
She shook the sugar caster over her pancakes.
4. People who choose actors for roles in plays or films.
The casters picked a new actor for the lead part.