Caster

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

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.