castor

n. beaver, large semiaquatic rodent; fur hat made of beaver fur; salt and pepper shaker; caster, small wheel under furniture; (Textiles) heavy woolen fabric

CASTOR is the acronym for Cask for storage and transport of radioactive material it is a type of cask used to store spent nuclear fuel (a type of nuclear waste).
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Castor may refer to:Historical peopleJulius Caesar Drusus, son of the Emperor Tiberius, nicknamed "Castor"Castor of Rhodes, a Greek grammarian and rhetoricianSaint Castor, name of several Christian saints, such as Castor of AptA family name, see List of people by name: Cas-Caz
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Noun
1. a multiple star with 6 components; second brightest in Gemini; close to Pollux
(synonym) Alpha Geminorum
(hypernym) multiple star
(member-holonym) Gemini
2. type genus of the Castoridae: beavers
(synonym) genus Castor
(hypernym) mammal genus
(member-holonym) Castoridae, family Castoridae
(member-meronym) beaver

Noun
1. a shaker with a perforated top for sprinkling powdered sugar
(synonym) caster
(hypernym) shaker
2. a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
(synonym) caster
(hypernym) roller
3. a hat made of beaver fur or similar material
(synonym) beaver
(hypernym) fur hat

n. castor, beaver

n. beaver, castor, large semiaquatic rodent