Noun: castor kãs-tu(r)
- A pivoting roller attached to the bottom of furniture, trucks or portable machines to make them movable
"The office chair's castors allowed it to glide smoothly across the floor";
- caster
- A shaker with a perforated top for sprinkling powdered sugar
"She used a castor to dust the dessert with a light coating of confectioner's sugar";
- caster
- A hat made with the fur of a beaver (or similar material)
"He wore a stylish castor hat to the formal event";
- beaver
- A multiple star with 6 components; second brightest in Gemini; close to Pollux
- Alpha Geminorum
- Type genus of the Castoridae: beavers
- genus Castor
Sounds like: caster
Derived forms: castors
Type of: fur hat, mammal genus, multiple star, roller, shaker
Part of: Castoridae, family Castoridae, Gemini
Encyclopedia: Castor, Northamptonshire