~ 1 [ 'kα:stə ]
(also caster )
■ noun
1》 each of a set of small swivelling wheels fixed to the legs or base of a heavy piece of furniture.
2》 a small container with holes in the top, used for sprinkling the contents.
Origin
C17: orig. a var. of caster .
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~ 2 [ 'kα:stə ]
■ noun a reddish-brown oily substance secreted by beavers, used in medicine and perfumes.
Origin
ME (in the sense 'beaver'): from OFr. or L., from Gk kastōr .