cas|tor

cas|tor¹ «KAS tuhr, KAHS-», noun.

= caster (def. 1). (Cf. ↑caster)

cas|tor² «KAS tuhr, KAHS-», noun.

1. an oily substance with a strong odor, secreted by beavers; castoreum. It is used in making perfume and in medicines.

2. a) a hat made of beaver fur. b) any hat resembling this.

3. a heavy woolen cloth especially used for overcoats.

4. a soft-finished glove leather, usually gray in color.

5. = beaver. (Cf. ↑beaver)

╂[< Latin castor < Greek kástōr beaver]

Cas|tor «KAS tuhr, KAHS-», noun.

1. Greek and Roman Legend. one of the twin sons of Zeus and Leda. Castor was mortal; his brother, Pollux, was immortal. Castor and Pollux became the constellation Gemini after Castor's death.

2. the fainter of the two bright stars in the constellation Gemini.