caster, n.
(casters)
(casters)
a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
<noun.artifact>
caster castor
semantic pointers
hypernym
a shaker with a perforated top for sprinkling powdered sugar
<noun.artifact>
caster castor
semantic pointers
hypernym
a worker who casts molten metal into finished products
<noun.person>
caster