1. (n.) A genus of rodents, including the beaver. See Beaver.

2. (n.) Castoreum. See Castoreum.

3. (n.) A hat, esp. one made of beaver fur; a beaver.

4. (n.) A heavy quality of broadcloth for overcoats.

5. (n.) See Caster, a small wheel.

6. (n.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.

7. (n.) Alt. of Castorite

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