CASTOR — СИНОНІМІЯ
castor type genus of the Castoridae: beavers
WordNet
castor a hat made of beaver fur or similar material
WordNet
castor a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
WordNet
castor a shaker with a perforated top for sprinkling powdered sugar
WordNet
castor a multiple star with 6 components; second brightest in Gemini; close to Pollux
WordNet