| Castor | type genus of the Castoridae: beavers |
|---|---|
| Castor | a multiple star with 6 components |
| Castor | a hat made of beaver fur or similar material |
| Castor | a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable |
| Castor | a shaker with a perforated top for sprinkling powdered sugar |
| Castor | seed of castor-oil plant |
| Castor | large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin |
| Castor | a variety of beaver found in almost all areas of North America except Florida |
| Castor | a European variety of beaver |
| Castor | a purgative extracted from the seed of the castor plant |
| Castor | (British) very finely granulated sugar that was formerly sprinkled from a castor |
| Castor | large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin |