Cast"er (?), n.
1.
One who casts; as, caster of stones, etc. ; a caster of cannon; a caster of accounts.
2.
A vial, cruet, or other small vessel, used to contain condiments at the table; as, a set of casters.
3.
A stand to hold a set of cruets.
4.
A small wheel on a swivel, on which furniture is supported and moved.
© Webster 1913.