Main Entry: cast·er

Pronunciation: \ˈkas-tər\

Function: noun

Date: 14th century

1 : one that casts; especially : a machine that casts type
2or cas·tor \-tər\ a : a usually silver table vessel with a perforated top for sprinkling a seasoning (as sugar or spice) b : a usually revolving metal stand bearing condiment containers (as cruets, mustard pot, and often shakers) for table use : a cruet stand
3 : any of a set of wheels or rotating balls mounted in a swivel frame and used for the support and movement of furniture, trucks, and portable equipment
4 : the slight usually backward tilt from vertical of the axis of the steering mechanism of an automobile for giving directional stability to the front wheels