Definition of “castor”
noun:
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A pivoting roller attached to the bottom of furniture to allow it to be moved.
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A hat made from the fur of the beaver.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A caster; a container with perforated cap for sprinkling (e.g. pepper-castor).
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A variety of petalite found in Elba.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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