(1):

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

(2):

(n.) Castoreum. See Castoreum.

(3):

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

(4):

(n.) See Caster, a small wheel.

(5):

(n.) Alt. of Castorite

(6):

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

(7):

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