Synonyms of caster

1 Syllable
disk, turn, wheels, drum, wheel, roll, twirl, spin, flask, ring, round, hoop, whirl
2 Syllables
ratchet, pulley, trolley, roller, pivot, gyre, cycle, circuit
3 Syllables
demijohn, gyration, rotation
4 Syllables
circulation
5 Syllables
circumvolution